Home / 9,440.28-13,027.20-5,248.80

Finding the Fourth Proportional to 9,440.28, 13,027.20 and 5,248.80

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Solution

The fourth proportional to 9,440.28, 13,027.20 and 5,248.80 is: 7,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.28 : 13,027.20 = 5,248.80 : x
  2. Step 2: Convert to fraction form
    9,440.28/13,027.20 = 5,248.80/x
  3. Step 3: Cross multiply
    9,440.28x = 13,027.20 × 5,248.80
  4. Step 4: Simplify right side
    9,440.28x = 68,377,167.36
  5. Step 5: Solve for x
    x = 68,377,167.36/9,440.28
  6. Step 6: Final answer
    x = 7,243.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.