Home / 8,877.78-13,315.68-2,304.54

Finding the Fourth Proportional to 8,877.78, 13,315.68 and 2,304.54

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Solution

The fourth proportional to 8,877.78, 13,315.68 and 2,304.54 is: 3,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.78 : 13,315.68 = 2,304.54 : x
  2. Step 2: Convert to fraction form
    8,877.78/13,315.68 = 2,304.54/x
  3. Step 3: Cross multiply
    8,877.78x = 13,315.68 × 2,304.54
  4. Step 4: Simplify right side
    8,877.78x = 30,686,517.19
  5. Step 5: Solve for x
    x = 30,686,517.19/8,877.78
  6. Step 6: Final answer
    x = 3,456.55

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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.