Home / 4,720.66-6,512.61-2,854.42

Finding the Fourth Proportional to 4,720.66, 6,512.61 and 2,854.42

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Solution

The fourth proportional to 4,720.66, 6,512.61 and 2,854.42 is: 3,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.66 : 6,512.61 = 2,854.42 : x
  2. Step 2: Convert to fraction form
    4,720.66/6,512.61 = 2,854.42/x
  3. Step 3: Cross multiply
    4,720.66x = 6,512.61 × 2,854.42
  4. Step 4: Simplify right side
    4,720.66x = 18,589,724.24
  5. Step 5: Solve for x
    x = 18,589,724.24/4,720.66
  6. Step 6: Final answer
    x = 3,937.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.