Home / 4,452.16-6,678.24-1,986.39

Finding the Fourth Proportional to 4,452.16, 6,678.24 and 1,986.39

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Solution

The fourth proportional to 4,452.16, 6,678.24 and 1,986.39 is: 2,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.16 : 6,678.24 = 1,986.39 : x
  2. Step 2: Convert to fraction form
    4,452.16/6,678.24 = 1,986.39/x
  3. Step 3: Cross multiply
    4,452.16x = 6,678.24 × 1,986.39
  4. Step 4: Simplify right side
    4,452.16x = 13,265,589.15
  5. Step 5: Solve for x
    x = 13,265,589.15/4,452.16
  6. Step 6: Final answer
    x = 2,979.59

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Double scale
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Similar ratio
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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.