Home / 5,426.38-8,140.62-2,306.35

Finding the Fourth Proportional to 5,426.38, 8,140.62 and 2,306.35

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Solution

The fourth proportional to 5,426.38, 8,140.62 and 2,306.35 is: 3,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.38 : 8,140.62 = 2,306.35 : x
  2. Step 2: Convert to fraction form
    5,426.38/8,140.62 = 2,306.35/x
  3. Step 3: Cross multiply
    5,426.38x = 8,140.62 × 2,306.35
  4. Step 4: Simplify right side
    5,426.38x = 18,775,078.23
  5. Step 5: Solve for x
    x = 18,775,078.23/5,426.38
  6. Step 6: Final answer
    x = 3,459.97

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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.