Home / 4,519.80-6,765.12-4,191.75

Finding the Fourth Proportional to 4,519.80, 6,765.12 and 4,191.75

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Solution

The fourth proportional to 4,519.80, 6,765.12 and 4,191.75 is: 6,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.80 : 6,765.12 = 4,191.75 : x
  2. Step 2: Convert to fraction form
    4,519.80/6,765.12 = 4,191.75/x
  3. Step 3: Cross multiply
    4,519.80x = 6,765.12 × 4,191.75
  4. Step 4: Simplify right side
    4,519.80x = 28,357,691.76
  5. Step 5: Solve for x
    x = 28,357,691.76/4,519.80
  6. Step 6: Final answer
    x = 6,274.10

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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.