Home / 9,390.92-14,065.91-4,702.75

Finding the Fourth Proportional to 9,390.92, 14,065.91 and 4,702.75

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Solution

The fourth proportional to 9,390.92, 14,065.91 and 4,702.75 is: 7,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.92 : 14,065.91 = 4,702.75 : x
  2. Step 2: Convert to fraction form
    9,390.92/14,065.91 = 4,702.75/x
  3. Step 3: Cross multiply
    9,390.92x = 14,065.91 × 4,702.75
  4. Step 4: Simplify right side
    9,390.92x = 66,148,469.96
  5. Step 5: Solve for x
    x = 66,148,469.96/9,390.92
  6. Step 6: Final answer
    x = 7,043.88

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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.