Home / 8,085.06-12,122.88-3,700.20

Finding the Fourth Proportional to 8,085.06, 12,122.88 and 3,700.20

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Solution

The fourth proportional to 8,085.06, 12,122.88 and 3,700.20 is: 5,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.06 : 12,122.88 = 3,700.20 : x
  2. Step 2: Convert to fraction form
    8,085.06/12,122.88 = 3,700.20/x
  3. Step 3: Cross multiply
    8,085.06x = 12,122.88 × 3,700.20
  4. Step 4: Simplify right side
    8,085.06x = 44,857,080.58
  5. Step 5: Solve for x
    x = 44,857,080.58/8,085.06
  6. Step 6: Final answer
    x = 5,548.14

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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.