Home / 6,609.16-9,120.49-4,251.30

Finding the Fourth Proportional to 6,609.16, 9,120.49 and 4,251.30

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Solution

The fourth proportional to 6,609.16, 9,120.49 and 4,251.30 is: 5,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.16 : 9,120.49 = 4,251.30 : x
  2. Step 2: Convert to fraction form
    6,609.16/9,120.49 = 4,251.30/x
  3. Step 3: Cross multiply
    6,609.16x = 9,120.49 × 4,251.30
  4. Step 4: Simplify right side
    6,609.16x = 38,773,939.14
  5. Step 5: Solve for x
    x = 38,773,939.14/6,609.16
  6. Step 6: Final answer
    x = 5,866.70

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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.