Home / 6,320.12-8,712.53-4,425.73

Finding the Fourth Proportional to 6,320.12, 8,712.53 and 4,425.73

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Solution

The fourth proportional to 6,320.12, 8,712.53 and 4,425.73 is: 6,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.12 : 8,712.53 = 4,425.73 : x
  2. Step 2: Convert to fraction form
    6,320.12/8,712.53 = 4,425.73/x
  3. Step 3: Cross multiply
    6,320.12x = 8,712.53 × 4,425.73
  4. Step 4: Simplify right side
    6,320.12x = 38,559,278.08
  5. Step 5: Solve for x
    x = 38,559,278.08/6,320.12
  6. Step 6: Final answer
    x = 6,101.04

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1.5x scale

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.