Home / 7,127.88-9,821.70-6,061.92

Finding the Fourth Proportional to 7,127.88, 9,821.70 and 6,061.92

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Solution

The fourth proportional to 7,127.88, 9,821.70 and 6,061.92 is: 8,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.88 : 9,821.70 = 6,061.92 : x
  2. Step 2: Convert to fraction form
    7,127.88/9,821.70 = 6,061.92/x
  3. Step 3: Cross multiply
    7,127.88x = 9,821.70 × 6,061.92
  4. Step 4: Simplify right side
    7,127.88x = 59,538,359.66
  5. Step 5: Solve for x
    x = 59,538,359.66/7,127.88
  6. Step 6: Final answer
    x = 8,352.88

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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.