Home / 9,631.40-14,447.10-2,705.90

Finding the Fourth Proportional to 9,631.40, 14,447.10 and 2,705.90

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Solution

The fourth proportional to 9,631.40, 14,447.10 and 2,705.90 is: 4,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.40 : 14,447.10 = 2,705.90 : x
  2. Step 2: Convert to fraction form
    9,631.40/14,447.10 = 2,705.90/x
  3. Step 3: Cross multiply
    9,631.40x = 14,447.10 × 2,705.90
  4. Step 4: Simplify right side
    9,631.40x = 39,092,407.89
  5. Step 5: Solve for x
    x = 39,092,407.89/9,631.40
  6. Step 6: Final answer
    x = 4,058.85

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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.