Home / 5,098.31-7,648.89-2,908.59

Finding the Fourth Proportional to 5,098.31, 7,648.89 and 2,908.59

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Solution

The fourth proportional to 5,098.31, 7,648.89 and 2,908.59 is: 4,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.31 : 7,648.89 = 2,908.59 : x
  2. Step 2: Convert to fraction form
    5,098.31/7,648.89 = 2,908.59/x
  3. Step 3: Cross multiply
    5,098.31x = 7,648.89 × 2,908.59
  4. Step 4: Simplify right side
    5,098.31x = 22,247,484.97
  5. Step 5: Solve for x
    x = 22,247,484.97/5,098.31
  6. Step 6: Final answer
    x = 4,363.70

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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.