Home / 5,292.72-7,939.08-1,397.04

Finding the Fourth Proportional to 5,292.72, 7,939.08 and 1,397.04

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Solution

The fourth proportional to 5,292.72, 7,939.08 and 1,397.04 is: 2,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.72 : 7,939.08 = 1,397.04 : x
  2. Step 2: Convert to fraction form
    5,292.72/7,939.08 = 1,397.04/x
  3. Step 3: Cross multiply
    5,292.72x = 7,939.08 × 1,397.04
  4. Step 4: Simplify right side
    5,292.72x = 11,091,212.32
  5. Step 5: Solve for x
    x = 11,091,212.32/5,292.72
  6. Step 6: Final answer
    x = 2,095.56

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Similar ratio
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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.