Home / 8,616.74-12,923.89-2,772.59

Finding the Fourth Proportional to 8,616.74, 12,923.89 and 2,772.59

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Solution

The fourth proportional to 8,616.74, 12,923.89 and 2,772.59 is: 4,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.74 : 12,923.89 = 2,772.59 : x
  2. Step 2: Convert to fraction form
    8,616.74/12,923.89 = 2,772.59/x
  3. Step 3: Cross multiply
    8,616.74x = 12,923.89 × 2,772.59
  4. Step 4: Simplify right side
    8,616.74x = 35,832,576.62
  5. Step 5: Solve for x
    x = 35,832,576.62/8,616.74
  6. Step 6: Final answer
    x = 4,158.49

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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.