Home / 8,121.02-12,182.80-3,441.04

Finding the Fourth Proportional to 8,121.02, 12,182.80 and 3,441.04

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Solution

The fourth proportional to 8,121.02, 12,182.80 and 3,441.04 is: 5,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.02 : 12,182.80 = 3,441.04 : x
  2. Step 2: Convert to fraction form
    8,121.02/12,182.80 = 3,441.04/x
  3. Step 3: Cross multiply
    8,121.02x = 12,182.80 × 3,441.04
  4. Step 4: Simplify right side
    8,121.02x = 41,921,502.11
  5. Step 5: Solve for x
    x = 41,921,502.11/8,121.02
  6. Step 6: Final answer
    x = 5,162.10

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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.