Home / 8,757.27-12,084.93-4,778.46

Finding the Fourth Proportional to 8,757.27, 12,084.93 and 4,778.46

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Solution

The fourth proportional to 8,757.27, 12,084.93 and 4,778.46 is: 6,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.27 : 12,084.93 = 4,778.46 : x
  2. Step 2: Convert to fraction form
    8,757.27/12,084.93 = 4,778.46/x
  3. Step 3: Cross multiply
    8,757.27x = 12,084.93 × 4,778.46
  4. Step 4: Simplify right side
    8,757.27x = 57,747,354.61
  5. Step 5: Solve for x
    x = 57,747,354.61/8,757.27
  6. Step 6: Final answer
    x = 6,594.22

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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.