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Finding the Fourth Proportional to 8,793.77, 13,165.13 and 6,840.05

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Solution

The fourth proportional to 8,793.77, 13,165.13 and 6,840.05 is: 10,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.77 : 13,165.13 = 6,840.05 : x
  2. Step 2: Convert to fraction form
    8,793.77/13,165.13 = 6,840.05/x
  3. Step 3: Cross multiply
    8,793.77x = 13,165.13 × 6,840.05
  4. Step 4: Simplify right side
    8,793.77x = 90,050,098.73
  5. Step 5: Solve for x
    x = 90,050,098.73/8,793.77
  6. Step 6: Final answer
    x = 10,240.22

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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.