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Finding the Fourth Proportional to 8,295.53, 12,439.06 and 2,746.87

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Solution

The fourth proportional to 8,295.53, 12,439.06 and 2,746.87 is: 4,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.53 : 12,439.06 = 2,746.87 : x
  2. Step 2: Convert to fraction form
    8,295.53/12,439.06 = 2,746.87/x
  3. Step 3: Cross multiply
    8,295.53x = 12,439.06 × 2,746.87
  4. Step 4: Simplify right side
    8,295.53x = 34,168,404.81
  5. Step 5: Solve for x
    x = 34,168,404.81/8,295.53
  6. Step 6: Final answer
    x = 4,118.90

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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.