Home / 9,331.17-13,975.77-4,390.38

Finding the Fourth Proportional to 9,331.17, 13,975.77 and 4,390.38

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Solution

The fourth proportional to 9,331.17, 13,975.77 and 4,390.38 is: 6,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.17 : 13,975.77 = 4,390.38 : x
  2. Step 2: Convert to fraction form
    9,331.17/13,975.77 = 4,390.38/x
  3. Step 3: Cross multiply
    9,331.17x = 13,975.77 × 4,390.38
  4. Step 4: Simplify right side
    9,331.17x = 61,358,941.09
  5. Step 5: Solve for x
    x = 61,358,941.09/9,331.17
  6. Step 6: Final answer
    x = 6,575.70

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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.