Home / 9,219-12,723.18-5,682.12

Finding the Fourth Proportional to 9,219, 12,723.18 and 5,682.12

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Solution

The fourth proportional to 9,219, 12,723.18 and 5,682.12 is: 7,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219 : 12,723.18 = 5,682.12 : x
  2. Step 2: Convert to fraction form
    9,219/12,723.18 = 5,682.12/x
  3. Step 3: Cross multiply
    9,219x = 12,723.18 × 5,682.12
  4. Step 4: Simplify right side
    9,219x = 72,294,635.54
  5. Step 5: Solve for x
    x = 72,294,635.54/9,219
  6. Step 6: Final answer
    x = 7,841.92

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,220, 12,724.56 and 5,683.12
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.