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Finding the Fourth Proportional to 4,957.39, 6,841.15 and 2,719.16

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Solution

The fourth proportional to 4,957.39, 6,841.15 and 2,719.16 is: 3,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.39 : 6,841.15 = 2,719.16 : x
  2. Step 2: Convert to fraction form
    4,957.39/6,841.15 = 2,719.16/x
  3. Step 3: Cross multiply
    4,957.39x = 6,841.15 × 2,719.16
  4. Step 4: Simplify right side
    4,957.39x = 18,602,181.43
  5. Step 5: Solve for x
    x = 18,602,181.43/4,957.39
  6. Step 6: Final answer
    x = 3,752.41

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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.