Home / 9,158.72-13,739.18-3,234.39

Finding the Fourth Proportional to 9,158.72, 13,739.18 and 3,234.39

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Solution

The fourth proportional to 9,158.72, 13,739.18 and 3,234.39 is: 4,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.72 : 13,739.18 = 3,234.39 : x
  2. Step 2: Convert to fraction form
    9,158.72/13,739.18 = 3,234.39/x
  3. Step 3: Cross multiply
    9,158.72x = 13,739.18 × 3,234.39
  4. Step 4: Simplify right side
    9,158.72x = 44,437,866.40
  5. Step 5: Solve for x
    x = 44,437,866.40/9,158.72
  6. Step 6: Final answer
    x = 4,851.97

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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.