Home / 4,452.20-6,678.58-1,490.49

Finding the Fourth Proportional to 4,452.20, 6,678.58 and 1,490.49

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Solution

The fourth proportional to 4,452.20, 6,678.58 and 1,490.49 is: 2,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.20 : 6,678.58 = 1,490.49 : x
  2. Step 2: Convert to fraction form
    4,452.20/6,678.58 = 1,490.49/x
  3. Step 3: Cross multiply
    4,452.20x = 6,678.58 × 1,490.49
  4. Step 4: Simplify right side
    4,452.20x = 9,954,356.70
  5. Step 5: Solve for x
    x = 9,954,356.70/4,452.20
  6. Step 6: Final answer
    x = 2,235.83

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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.