Home / 8,956.56-13,432.32-3,113.04

Finding the Fourth Proportional to 8,956.56, 13,432.32 and 3,113.04

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Solution

The fourth proportional to 8,956.56, 13,432.32 and 3,113.04 is: 4,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.56 : 13,432.32 = 3,113.04 : x
  2. Step 2: Convert to fraction form
    8,956.56/13,432.32 = 3,113.04/x
  3. Step 3: Cross multiply
    8,956.56x = 13,432.32 × 3,113.04
  4. Step 4: Simplify right side
    8,956.56x = 41,815,349.45
  5. Step 5: Solve for x
    x = 41,815,349.45/8,956.56
  6. Step 6: Final answer
    x = 4,668.68

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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.