Home / 8,121.02-12,180.15-2,277.63

Finding the Fourth Proportional to 8,121.02, 12,180.15 and 2,277.63

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Solution

The fourth proportional to 8,121.02, 12,180.15 and 2,277.63 is: 3,416.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.02 : 12,180.15 = 2,277.63 : x
  2. Step 2: Convert to fraction form
    8,121.02/12,180.15 = 2,277.63/x
  3. Step 3: Cross multiply
    8,121.02x = 12,180.15 × 2,277.63
  4. Step 4: Simplify right side
    8,121.02x = 27,741,875.04
  5. Step 5: Solve for x
    x = 27,741,875.04/8,121.02
  6. Step 6: Final answer
    x = 3,416.06

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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.