Home / 5,116.62-7,060.83-3,127.20

Finding the Fourth Proportional to 5,116.62, 7,060.83 and 3,127.20

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Solution

The fourth proportional to 5,116.62, 7,060.83 and 3,127.20 is: 4,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.62 : 7,060.83 = 3,127.20 : x
  2. Step 2: Convert to fraction form
    5,116.62/7,060.83 = 3,127.20/x
  3. Step 3: Cross multiply
    5,116.62x = 7,060.83 × 3,127.20
  4. Step 4: Simplify right side
    5,116.62x = 22,080,627.58
  5. Step 5: Solve for x
    x = 22,080,627.58/5,116.62
  6. Step 6: Final answer
    x = 4,315.47

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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.