Home / 8,865.28-13,299.12-3,020.32

Finding the Fourth Proportional to 8,865.28, 13,299.12 and 3,020.32

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Solution

The fourth proportional to 8,865.28, 13,299.12 and 3,020.32 is: 4,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.28 : 13,299.12 = 3,020.32 : x
  2. Step 2: Convert to fraction form
    8,865.28/13,299.12 = 3,020.32/x
  3. Step 3: Cross multiply
    8,865.28x = 13,299.12 × 3,020.32
  4. Step 4: Simplify right side
    8,865.28x = 40,167,598.12
  5. Step 5: Solve for x
    x = 40,167,598.12/8,865.28
  6. Step 6: Final answer
    x = 4,530.89

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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.