Home / 8,101.02-12,144.24-2,905.68

Finding the Fourth Proportional to 8,101.02, 12,144.24 and 2,905.68

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Solution

The fourth proportional to 8,101.02, 12,144.24 and 2,905.68 is: 4,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.02 : 12,144.24 = 2,905.68 : x
  2. Step 2: Convert to fraction form
    8,101.02/12,144.24 = 2,905.68/x
  3. Step 3: Cross multiply
    8,101.02x = 12,144.24 × 2,905.68
  4. Step 4: Simplify right side
    8,101.02x = 35,287,275.28
  5. Step 5: Solve for x
    x = 35,287,275.28/8,101.02
  6. Step 6: Final answer
    x = 4,355.91

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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.