Home / 5,042.85-6,957.23-3,127.79

Finding the Fourth Proportional to 5,042.85, 6,957.23 and 3,127.79

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Solution

The fourth proportional to 5,042.85, 6,957.23 and 3,127.79 is: 4,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.85 : 6,957.23 = 3,127.79 : x
  2. Step 2: Convert to fraction form
    5,042.85/6,957.23 = 3,127.79/x
  3. Step 3: Cross multiply
    5,042.85x = 6,957.23 × 3,127.79
  4. Step 4: Simplify right side
    5,042.85x = 21,760,711.82
  5. Step 5: Solve for x
    x = 21,760,711.82/5,042.85
  6. Step 6: Final answer
    x = 4,315.16

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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.