Home / 6,555.70-9,049.50-3,902.59

Finding the Fourth Proportional to 6,555.70, 9,049.50 and 3,902.59

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Solution

The fourth proportional to 6,555.70, 9,049.50 and 3,902.59 is: 5,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.70 : 9,049.50 = 3,902.59 : x
  2. Step 2: Convert to fraction form
    6,555.70/9,049.50 = 3,902.59/x
  3. Step 3: Cross multiply
    6,555.70x = 9,049.50 × 3,902.59
  4. Step 4: Simplify right side
    6,555.70x = 35,316,488.21
  5. Step 5: Solve for x
    x = 35,316,488.21/6,555.70
  6. Step 6: Final answer
    x = 5,387.14

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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.