Home / 5,426.73-8,140.08-5,149.71

Finding the Fourth Proportional to 5,426.73, 8,140.08 and 5,149.71

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Solution

The fourth proportional to 5,426.73, 8,140.08 and 5,149.71 is: 7,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.73 : 8,140.08 = 5,149.71 : x
  2. Step 2: Convert to fraction form
    5,426.73/8,140.08 = 5,149.71/x
  3. Step 3: Cross multiply
    5,426.73x = 8,140.08 × 5,149.71
  4. Step 4: Simplify right side
    5,426.73x = 41,919,051.38
  5. Step 5: Solve for x
    x = 41,919,051.38/5,426.73
  6. Step 6: Final answer
    x = 7,724.55

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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.