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Finding the Fourth Proportional to 8,751.80, 12,077.48 and 4,772.92

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Solution

The fourth proportional to 8,751.80, 12,077.48 and 4,772.92 is: 6,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.80 : 12,077.48 = 4,772.92 : x
  2. Step 2: Convert to fraction form
    8,751.80/12,077.48 = 4,772.92/x
  3. Step 3: Cross multiply
    8,751.80x = 12,077.48 × 4,772.92
  4. Step 4: Simplify right side
    8,751.80x = 57,644,845.84
  5. Step 5: Solve for x
    x = 57,644,845.84/8,751.80
  6. Step 6: Final answer
    x = 6,586.63

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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.