Home / 6,321.08-9,479.13-1,877.55

Finding the Fourth Proportional to 6,321.08, 9,479.13 and 1,877.55

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Solution

The fourth proportional to 6,321.08, 9,479.13 and 1,877.55 is: 2,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.08 : 9,479.13 = 1,877.55 : x
  2. Step 2: Convert to fraction form
    6,321.08/9,479.13 = 1,877.55/x
  3. Step 3: Cross multiply
    6,321.08x = 9,479.13 × 1,877.55
  4. Step 4: Simplify right side
    6,321.08x = 17,797,540.53
  5. Step 5: Solve for x
    x = 17,797,540.53/6,321.08
  6. Step 6: Final answer
    x = 2,815.59

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1.5x scale

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.