Home / 8,326.29-12,495.60-3,943.76

Finding the Fourth Proportional to 8,326.29, 12,495.60 and 3,943.76

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Solution

The fourth proportional to 8,326.29, 12,495.60 and 3,943.76 is: 5,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.29 : 12,495.60 = 3,943.76 : x
  2. Step 2: Convert to fraction form
    8,326.29/12,495.60 = 3,943.76/x
  3. Step 3: Cross multiply
    8,326.29x = 12,495.60 × 3,943.76
  4. Step 4: Simplify right side
    8,326.29x = 49,279,647.46
  5. Step 5: Solve for x
    x = 49,279,647.46/8,326.29
  6. Step 6: Final answer
    x = 5,918.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.