Home / 8,822.46-13,233.72-2,979.12

Finding the Fourth Proportional to 8,822.46, 13,233.72 and 2,979.12

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Solution

The fourth proportional to 8,822.46, 13,233.72 and 2,979.12 is: 4,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.46 : 13,233.72 = 2,979.12 : x
  2. Step 2: Convert to fraction form
    8,822.46/13,233.72 = 2,979.12/x
  3. Step 3: Cross multiply
    8,822.46x = 13,233.72 × 2,979.12
  4. Step 4: Simplify right side
    8,822.46x = 39,424,839.93
  5. Step 5: Solve for x
    x = 39,424,839.93/8,822.46
  6. Step 6: Final answer
    x = 4,468.69

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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.