Home / 7,721.46-10,657.17-4,577.04

Finding the Fourth Proportional to 7,721.46, 10,657.17 and 4,577.04

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Solution

The fourth proportional to 7,721.46, 10,657.17 and 4,577.04 is: 6,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.46 : 10,657.17 = 4,577.04 : x
  2. Step 2: Convert to fraction form
    7,721.46/10,657.17 = 4,577.04/x
  3. Step 3: Cross multiply
    7,721.46x = 10,657.17 × 4,577.04
  4. Step 4: Simplify right side
    7,721.46x = 48,778,293.38
  5. Step 5: Solve for x
    x = 48,778,293.38/7,721.46
  6. Step 6: Final answer
    x = 6,317.24

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Half scale
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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.