Home / 6,348.31-9,523.37-2,187.20

Finding the Fourth Proportional to 6,348.31, 9,523.37 and 2,187.20

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Solution

The fourth proportional to 6,348.31, 9,523.37 and 2,187.20 is: 3,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.31 : 9,523.37 = 2,187.20 : x
  2. Step 2: Convert to fraction form
    6,348.31/9,523.37 = 2,187.20/x
  3. Step 3: Cross multiply
    6,348.31x = 9,523.37 × 2,187.20
  4. Step 4: Simplify right side
    6,348.31x = 20,829,514.86
  5. Step 5: Solve for x
    x = 20,829,514.86/6,348.31
  6. Step 6: Final answer
    x = 3,281.11

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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.