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Finding the Fourth Proportional to 4,307.76, 5,934.60 and 3,517.20

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Solution

The fourth proportional to 4,307.76, 5,934.60 and 3,517.20 is: 4,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.76 : 5,934.60 = 3,517.20 : x
  2. Step 2: Convert to fraction form
    4,307.76/5,934.60 = 3,517.20/x
  3. Step 3: Cross multiply
    4,307.76x = 5,934.60 × 3,517.20
  4. Step 4: Simplify right side
    4,307.76x = 20,873,175.12
  5. Step 5: Solve for x
    x = 20,873,175.12/4,307.76
  6. Step 6: Final answer
    x = 4,845.48

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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.