Home / 9,159.55-13,739.29-3,316.61

Finding the Fourth Proportional to 9,159.55, 13,739.29 and 3,316.61

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Solution

The fourth proportional to 9,159.55, 13,739.29 and 3,316.61 is: 4,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.55 : 13,739.29 = 3,316.61 : x
  2. Step 2: Convert to fraction form
    9,159.55/13,739.29 = 3,316.61/x
  3. Step 3: Cross multiply
    9,159.55x = 13,739.29 × 3,316.61
  4. Step 4: Simplify right side
    9,159.55x = 45,567,866.61
  5. Step 5: Solve for x
    x = 45,567,866.61/9,159.55
  6. Step 6: Final answer
    x = 4,974.90

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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.