Home / 8,080.10-12,120.76-2,237.18

Finding the Fourth Proportional to 8,080.10, 12,120.76 and 2,237.18

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Solution

The fourth proportional to 8,080.10, 12,120.76 and 2,237.18 is: 3,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.10 : 12,120.76 = 2,237.18 : x
  2. Step 2: Convert to fraction form
    8,080.10/12,120.76 = 2,237.18/x
  3. Step 3: Cross multiply
    8,080.10x = 12,120.76 × 2,237.18
  4. Step 4: Simplify right side
    8,080.10x = 27,116,321.86
  5. Step 5: Solve for x
    x = 27,116,321.86/8,080.10
  6. Step 6: Final answer
    x = 3,355.94

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,081.10, 12,122.26 and 2,238.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.