Home / 8,778.42-13,168.35-2,935.08

Finding the Fourth Proportional to 8,778.42, 13,168.35 and 2,935.08

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Solution

The fourth proportional to 8,778.42, 13,168.35 and 2,935.08 is: 4,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.42 : 13,168.35 = 2,935.08 : x
  2. Step 2: Convert to fraction form
    8,778.42/13,168.35 = 2,935.08/x
  3. Step 3: Cross multiply
    8,778.42x = 13,168.35 × 2,935.08
  4. Step 4: Simplify right side
    8,778.42x = 38,650,160.72
  5. Step 5: Solve for x
    x = 38,650,160.72/8,778.42
  6. Step 6: Final answer
    x = 4,402.86

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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.