Home / 8,189.16-12,275.28-3,803.04

Finding the Fourth Proportional to 8,189.16, 12,275.28 and 3,803.04

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Solution

The fourth proportional to 8,189.16, 12,275.28 and 3,803.04 is: 5,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.16 : 12,275.28 = 3,803.04 : x
  2. Step 2: Convert to fraction form
    8,189.16/12,275.28 = 3,803.04/x
  3. Step 3: Cross multiply
    8,189.16x = 12,275.28 × 3,803.04
  4. Step 4: Simplify right side
    8,189.16x = 46,683,380.85
  5. Step 5: Solve for x
    x = 46,683,380.85/8,189.16
  6. Step 6: Final answer
    x = 5,700.63

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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.