Home / 9,158.55-13,737.79-3,315.61

Finding the Fourth Proportional to 9,158.55, 13,737.79 and 3,315.61

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Solution

The fourth proportional to 9,158.55, 13,737.79 and 3,315.61 is: 4,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.55 : 13,737.79 = 3,315.61 : x
  2. Step 2: Convert to fraction form
    9,158.55/13,737.79 = 3,315.61/x
  3. Step 3: Cross multiply
    9,158.55x = 13,737.79 × 3,315.61
  4. Step 4: Simplify right side
    9,158.55x = 45,549,153.90
  5. Step 5: Solve for x
    x = 45,549,153.90/9,158.55
  6. Step 6: Final answer
    x = 4,973.40

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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.