Home / 8,132.24-11,216.76-4,990.16

Finding the Fourth Proportional to 8,132.24, 11,216.76 and 4,990.16

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Solution

The fourth proportional to 8,132.24, 11,216.76 and 4,990.16 is: 6,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.24 : 11,216.76 = 4,990.16 : x
  2. Step 2: Convert to fraction form
    8,132.24/11,216.76 = 4,990.16/x
  3. Step 3: Cross multiply
    8,132.24x = 11,216.76 × 4,990.16
  4. Step 4: Simplify right side
    8,132.24x = 55,973,427.08
  5. Step 5: Solve for x
    x = 55,973,427.08/8,132.24
  6. Step 6: Final answer
    x = 6,882.90

Related Problems

Find fourth proportional to 4,066.12, 5,608.38 and 2,495.08
Half scale
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Double scale
Find fourth proportional to 8,133.24, 11,218.14 and 4,991.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.