Home / 9,478.61-13,080.53-5,229.72

Finding the Fourth Proportional to 9,478.61, 13,080.53 and 5,229.72

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Solution

The fourth proportional to 9,478.61, 13,080.53 and 5,229.72 is: 7,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.61 : 13,080.53 = 5,229.72 : x
  2. Step 2: Convert to fraction form
    9,478.61/13,080.53 = 5,229.72/x
  3. Step 3: Cross multiply
    9,478.61x = 13,080.53 × 5,229.72
  4. Step 4: Simplify right side
    9,478.61x = 68,407,483.20
  5. Step 5: Solve for x
    x = 68,407,483.20/9,478.61
  6. Step 6: Final answer
    x = 7,217.04

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Double scale
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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.