Home / 8,930.97-13,395.92-2,690.87

Finding the Fourth Proportional to 8,930.97, 13,395.92 and 2,690.87

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Solution

The fourth proportional to 8,930.97, 13,395.92 and 2,690.87 is: 4,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.97 : 13,395.92 = 2,690.87 : x
  2. Step 2: Convert to fraction form
    8,930.97/13,395.92 = 2,690.87/x
  3. Step 3: Cross multiply
    8,930.97x = 13,395.92 × 2,690.87
  4. Step 4: Simplify right side
    8,930.97x = 36,046,598.82
  5. Step 5: Solve for x
    x = 36,046,598.82/8,930.97
  6. Step 6: Final answer
    x = 4,036.13

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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.