Home / 4,321.08-6,475.14-2,587.80

Finding the Fourth Proportional to 4,321.08, 6,475.14 and 2,587.80

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Solution

The fourth proportional to 4,321.08, 6,475.14 and 2,587.80 is: 3,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.08 : 6,475.14 = 2,587.80 : x
  2. Step 2: Convert to fraction form
    4,321.08/6,475.14 = 2,587.80/x
  3. Step 3: Cross multiply
    4,321.08x = 6,475.14 × 2,587.80
  4. Step 4: Simplify right side
    4,321.08x = 16,756,367.29
  5. Step 5: Solve for x
    x = 16,756,367.29/4,321.08
  6. Step 6: Final answer
    x = 3,877.82

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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.