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Finding the Fourth Proportional to 9,273.40, 13,910.10 and 2,347.90

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Solution

The fourth proportional to 9,273.40, 13,910.10 and 2,347.90 is: 3,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.40 : 13,910.10 = 2,347.90 : x
  2. Step 2: Convert to fraction form
    9,273.40/13,910.10 = 2,347.90/x
  3. Step 3: Cross multiply
    9,273.40x = 13,910.10 × 2,347.90
  4. Step 4: Simplify right side
    9,273.40x = 32,659,523.79
  5. Step 5: Solve for x
    x = 32,659,523.79/9,273.40
  6. Step 6: Final answer
    x = 3,521.85

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1.5x scale

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.