Home / 5,281.17-7,287.27-4,487.72

Finding the Fourth Proportional to 5,281.17, 7,287.27 and 4,487.72

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Solution

The fourth proportional to 5,281.17, 7,287.27 and 4,487.72 is: 6,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.17 : 7,287.27 = 4,487.72 : x
  2. Step 2: Convert to fraction form
    5,281.17/7,287.27 = 4,487.72/x
  3. Step 3: Cross multiply
    5,281.17x = 7,287.27 × 4,487.72
  4. Step 4: Simplify right side
    5,281.17x = 32,703,190.89
  5. Step 5: Solve for x
    x = 32,703,190.89/5,281.17
  6. Step 6: Final answer
    x = 6,192.41

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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.