Home / 8,101.44-12,153.80-3,103.45

Finding the Fourth Proportional to 8,101.44, 12,153.80 and 3,103.45

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Solution

The fourth proportional to 8,101.44, 12,153.80 and 3,103.45 is: 4,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.44 : 12,153.80 = 3,103.45 : x
  2. Step 2: Convert to fraction form
    8,101.44/12,153.80 = 3,103.45/x
  3. Step 3: Cross multiply
    8,101.44x = 12,153.80 × 3,103.45
  4. Step 4: Simplify right side
    8,101.44x = 37,718,710.61
  5. Step 5: Solve for x
    x = 37,718,710.61/8,101.44
  6. Step 6: Final answer
    x = 4,655.80

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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.