Home / 9,381.75-14,061.84-3,140.29

Finding the Fourth Proportional to 9,381.75, 14,061.84 and 3,140.29

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Solution

The fourth proportional to 9,381.75, 14,061.84 and 3,140.29 is: 4,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.75 : 14,061.84 = 3,140.29 : x
  2. Step 2: Convert to fraction form
    9,381.75/14,061.84 = 3,140.29/x
  3. Step 3: Cross multiply
    9,381.75x = 14,061.84 × 3,140.29
  4. Step 4: Simplify right side
    9,381.75x = 44,158,255.53
  5. Step 5: Solve for x
    x = 44,158,255.53/9,381.75
  6. Step 6: Final answer
    x = 4,706.83

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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.