Home / 8,641.80-11,922.70-4,864.36

Finding the Fourth Proportional to 8,641.80, 11,922.70 and 4,864.36

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Solution

The fourth proportional to 8,641.80, 11,922.70 and 4,864.36 is: 6,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641.80 : 11,922.70 = 4,864.36 : x
  2. Step 2: Convert to fraction form
    8,641.80/11,922.70 = 4,864.36/x
  3. Step 3: Cross multiply
    8,641.80x = 11,922.70 × 4,864.36
  4. Step 4: Simplify right side
    8,641.80x = 57,996,304.97
  5. Step 5: Solve for x
    x = 57,996,304.97/8,641.80
  6. Step 6: Final answer
    x = 6,711.14

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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.