Home / 9,152.39-13,720.17-3,307.61

Finding the Fourth Proportional to 9,152.39, 13,720.17 and 3,307.61

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Solution

The fourth proportional to 9,152.39, 13,720.17 and 3,307.61 is: 4,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.39 : 13,720.17 = 3,307.61 : x
  2. Step 2: Convert to fraction form
    9,152.39/13,720.17 = 3,307.61/x
  3. Step 3: Cross multiply
    9,152.39x = 13,720.17 × 3,307.61
  4. Step 4: Simplify right side
    9,152.39x = 45,380,971.49
  5. Step 5: Solve for x
    x = 45,380,971.49/9,152.39
  6. Step 6: Final answer
    x = 4,958.37

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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.