Home / 7,841.06-10,812.25-6,244.55

Finding the Fourth Proportional to 7,841.06, 10,812.25 and 6,244.55

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Solution

The fourth proportional to 7,841.06, 10,812.25 and 6,244.55 is: 8,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.06 : 10,812.25 = 6,244.55 : x
  2. Step 2: Convert to fraction form
    7,841.06/10,812.25 = 6,244.55/x
  3. Step 3: Cross multiply
    7,841.06x = 10,812.25 × 6,244.55
  4. Step 4: Simplify right side
    7,841.06x = 67,517,635.74
  5. Step 5: Solve for x
    x = 67,517,635.74/7,841.06
  6. Step 6: Final answer
    x = 8,610.78

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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.