Home / 8,659.10-12,988.56-2,735.93

Finding the Fourth Proportional to 8,659.10, 12,988.56 and 2,735.93

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Solution

The fourth proportional to 8,659.10, 12,988.56 and 2,735.93 is: 4,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.10 : 12,988.56 = 2,735.93 : x
  2. Step 2: Convert to fraction form
    8,659.10/12,988.56 = 2,735.93/x
  3. Step 3: Cross multiply
    8,659.10x = 12,988.56 × 2,735.93
  4. Step 4: Simplify right side
    8,659.10x = 35,535,790.96
  5. Step 5: Solve for x
    x = 35,535,790.96/8,659.10
  6. Step 6: Final answer
    x = 4,103.87

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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.