Home / 4,781.85-7,124.71-4,513.27

Finding the Fourth Proportional to 4,781.85, 7,124.71 and 4,513.27

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Solution

The fourth proportional to 4,781.85, 7,124.71 and 4,513.27 is: 6,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.85 : 7,124.71 = 4,513.27 : x
  2. Step 2: Convert to fraction form
    4,781.85/7,124.71 = 4,513.27/x
  3. Step 3: Cross multiply
    4,781.85x = 7,124.71 × 4,513.27
  4. Step 4: Simplify right side
    4,781.85x = 32,155,704.28
  5. Step 5: Solve for x
    x = 32,155,704.28/4,781.85
  6. Step 6: Final answer
    x = 6,724.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.