Home / 8,705.06-13,058.23-3,158.43

Finding the Fourth Proportional to 8,705.06, 13,058.23 and 3,158.43

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Solution

The fourth proportional to 8,705.06, 13,058.23 and 3,158.43 is: 4,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705.06 : 13,058.23 = 3,158.43 : x
  2. Step 2: Convert to fraction form
    8,705.06/13,058.23 = 3,158.43/x
  3. Step 3: Cross multiply
    8,705.06x = 13,058.23 × 3,158.43
  4. Step 4: Simplify right side
    8,705.06x = 41,243,505.38
  5. Step 5: Solve for x
    x = 41,243,505.38/8,705.06
  6. Step 6: Final answer
    x = 4,737.88

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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.