Home / 8,267.61-12,385.44-5,148.84

Finding the Fourth Proportional to 8,267.61, 12,385.44 and 5,148.84

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Solution

The fourth proportional to 8,267.61, 12,385.44 and 5,148.84 is: 7,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.61 : 12,385.44 = 5,148.84 : x
  2. Step 2: Convert to fraction form
    8,267.61/12,385.44 = 5,148.84/x
  3. Step 3: Cross multiply
    8,267.61x = 12,385.44 × 5,148.84
  4. Step 4: Simplify right side
    8,267.61x = 63,770,648.89
  5. Step 5: Solve for x
    x = 63,770,648.89/8,267.61
  6. Step 6: Final answer
    x = 7,713.31

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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.