Home / 6,364.08-8,781.60-3,711.96

Finding the Fourth Proportional to 6,364.08, 8,781.60 and 3,711.96

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Solution

The fourth proportional to 6,364.08, 8,781.60 and 3,711.96 is: 5,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.08 : 8,781.60 = 3,711.96 : x
  2. Step 2: Convert to fraction form
    6,364.08/8,781.60 = 3,711.96/x
  3. Step 3: Cross multiply
    6,364.08x = 8,781.60 × 3,711.96
  4. Step 4: Simplify right side
    6,364.08x = 32,596,947.94
  5. Step 5: Solve for x
    x = 32,596,947.94/6,364.08
  6. Step 6: Final answer
    x = 5,122.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.