Home / 6,426.80-9,641.61-2,732.19

Finding the Fourth Proportional to 6,426.80, 9,641.61 and 2,732.19

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Solution

The fourth proportional to 6,426.80, 9,641.61 and 2,732.19 is: 4,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.80 : 9,641.61 = 2,732.19 : x
  2. Step 2: Convert to fraction form
    6,426.80/9,641.61 = 2,732.19/x
  3. Step 3: Cross multiply
    6,426.80x = 9,641.61 × 2,732.19
  4. Step 4: Simplify right side
    6,426.80x = 26,342,710.43
  5. Step 5: Solve for x
    x = 26,342,710.43/6,426.80
  6. Step 6: Final answer
    x = 4,098.89

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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.