Home / 6,685.38-9,226.85-4,167.90

Finding the Fourth Proportional to 6,685.38, 9,226.85 and 4,167.90

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Solution

The fourth proportional to 6,685.38, 9,226.85 and 4,167.90 is: 5,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.38 : 9,226.85 = 4,167.90 : x
  2. Step 2: Convert to fraction form
    6,685.38/9,226.85 = 4,167.90/x
  3. Step 3: Cross multiply
    6,685.38x = 9,226.85 × 4,167.90
  4. Step 4: Simplify right side
    6,685.38x = 38,456,567.28
  5. Step 5: Solve for x
    x = 38,456,567.28/6,685.38
  6. Step 6: Final answer
    x = 5,752.34

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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.