Home / 4,452.80-6,678.20-1,332.79

Finding the Fourth Proportional to 4,452.80, 6,678.20 and 1,332.79

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Solution

The fourth proportional to 4,452.80, 6,678.20 and 1,332.79 is: 1,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.80 : 6,678.20 = 1,332.79 : x
  2. Step 2: Convert to fraction form
    4,452.80/6,678.20 = 1,332.79/x
  3. Step 3: Cross multiply
    4,452.80x = 6,678.20 × 1,332.79
  4. Step 4: Simplify right side
    4,452.80x = 8,900,624.81
  5. Step 5: Solve for x
    x = 8,900,624.81/4,452.80
  6. Step 6: Final answer
    x = 1,998.88

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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.