Home / 7,439.65-11,127.17-4,312.04

Finding the Fourth Proportional to 7,439.65, 11,127.17 and 4,312.04

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Solution

The fourth proportional to 7,439.65, 11,127.17 and 4,312.04 is: 6,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.65 : 11,127.17 = 4,312.04 : x
  2. Step 2: Convert to fraction form
    7,439.65/11,127.17 = 4,312.04/x
  3. Step 3: Cross multiply
    7,439.65x = 11,127.17 × 4,312.04
  4. Step 4: Simplify right side
    7,439.65x = 47,980,757.27
  5. Step 5: Solve for x
    x = 47,980,757.27/7,439.65
  6. Step 6: Final answer
    x = 6,449.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.