Home / 4,452.90-6,680.91-2,785.12

Finding the Fourth Proportional to 4,452.90, 6,680.91 and 2,785.12

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Solution

The fourth proportional to 4,452.90, 6,680.91 and 2,785.12 is: 4,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.90 : 6,680.91 = 2,785.12 : x
  2. Step 2: Convert to fraction form
    4,452.90/6,680.91 = 2,785.12/x
  3. Step 3: Cross multiply
    4,452.90x = 6,680.91 × 2,785.12
  4. Step 4: Simplify right side
    4,452.90x = 18,607,134.49
  5. Step 5: Solve for x
    x = 18,607,134.49/4,452.90
  6. Step 6: Final answer
    x = 4,178.66

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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.