Home / 5,397.30-7,450.20-3,160.17

Finding the Fourth Proportional to 5,397.30, 7,450.20 and 3,160.17

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Solution

The fourth proportional to 5,397.30, 7,450.20 and 3,160.17 is: 4,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.30 : 7,450.20 = 3,160.17 : x
  2. Step 2: Convert to fraction form
    5,397.30/7,450.20 = 3,160.17/x
  3. Step 3: Cross multiply
    5,397.30x = 7,450.20 × 3,160.17
  4. Step 4: Simplify right side
    5,397.30x = 23,543,898.53
  5. Step 5: Solve for x
    x = 23,543,898.53/5,397.30
  6. Step 6: Final answer
    x = 4,362.16

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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.