Home / 8,972.98-13,460.10-3,425.38

Finding the Fourth Proportional to 8,972.98, 13,460.10 and 3,425.38

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Solution

The fourth proportional to 8,972.98, 13,460.10 and 3,425.38 is: 5,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.98 : 13,460.10 = 3,425.38 : x
  2. Step 2: Convert to fraction form
    8,972.98/13,460.10 = 3,425.38/x
  3. Step 3: Cross multiply
    8,972.98x = 13,460.10 × 3,425.38
  4. Step 4: Simplify right side
    8,972.98x = 46,105,957.34
  5. Step 5: Solve for x
    x = 46,105,957.34/8,972.98
  6. Step 6: Final answer
    x = 5,138.31

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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.