Home / 8,513.65-12,759.39-4,765.27

Finding the Fourth Proportional to 8,513.65, 12,759.39 and 4,765.27

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Solution

The fourth proportional to 8,513.65, 12,759.39 and 4,765.27 is: 7,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.65 : 12,759.39 = 4,765.27 : x
  2. Step 2: Convert to fraction form
    8,513.65/12,759.39 = 4,765.27/x
  3. Step 3: Cross multiply
    8,513.65x = 12,759.39 × 4,765.27
  4. Step 4: Simplify right side
    8,513.65x = 60,801,938.39
  5. Step 5: Solve for x
    x = 60,801,938.39/8,513.65
  6. Step 6: Final answer
    x = 7,141.70

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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.