Home / 8,857.38-12,222.70-5,080.36

Finding the Fourth Proportional to 8,857.38, 12,222.70 and 5,080.36

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Solution

The fourth proportional to 8,857.38, 12,222.70 and 5,080.36 is: 7,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.38 : 12,222.70 = 5,080.36 : x
  2. Step 2: Convert to fraction form
    8,857.38/12,222.70 = 5,080.36/x
  3. Step 3: Cross multiply
    8,857.38x = 12,222.70 × 5,080.36
  4. Step 4: Simplify right side
    8,857.38x = 62,095,716.17
  5. Step 5: Solve for x
    x = 62,095,716.17/8,857.38
  6. Step 6: Final answer
    x = 7,010.62

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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.