Home / 5,116.68-7,061.38-3,127.62

Finding the Fourth Proportional to 5,116.68, 7,061.38 and 3,127.62

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Solution

The fourth proportional to 5,116.68, 7,061.38 and 3,127.62 is: 4,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.68 : 7,061.38 = 3,127.62 : x
  2. Step 2: Convert to fraction form
    5,116.68/7,061.38 = 3,127.62/x
  3. Step 3: Cross multiply
    5,116.68x = 7,061.38 × 3,127.62
  4. Step 4: Simplify right side
    5,116.68x = 22,085,313.32
  5. Step 5: Solve for x
    x = 22,085,313.32/5,116.68
  6. Step 6: Final answer
    x = 4,316.34

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Half scale
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Double scale
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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.