Home / 8,817.28-13,205.52-5,299.52

Finding the Fourth Proportional to 8,817.28, 13,205.52 and 5,299.52

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Solution

The fourth proportional to 8,817.28, 13,205.52 and 5,299.52 is: 7,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.28 : 13,205.52 = 5,299.52 : x
  2. Step 2: Convert to fraction form
    8,817.28/13,205.52 = 5,299.52/x
  3. Step 3: Cross multiply
    8,817.28x = 13,205.52 × 5,299.52
  4. Step 4: Simplify right side
    8,817.28x = 69,982,917.35
  5. Step 5: Solve for x
    x = 69,982,917.35/8,817.28
  6. Step 6: Final answer
    x = 7,937.02

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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.