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Finding the Fourth Proportional to 8,393.33, 12,587.30 and 2,769.74

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Solution

The fourth proportional to 8,393.33, 12,587.30 and 2,769.74 is: 4,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.33 : 12,587.30 = 2,769.74 : x
  2. Step 2: Convert to fraction form
    8,393.33/12,587.30 = 2,769.74/x
  3. Step 3: Cross multiply
    8,393.33x = 12,587.30 × 2,769.74
  4. Step 4: Simplify right side
    8,393.33x = 34,863,471.52
  5. Step 5: Solve for x
    x = 34,863,471.52/8,393.33
  6. Step 6: Final answer
    x = 4,153.71

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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.