Home / 4,431.06-6,622.38-4,080.78

Finding the Fourth Proportional to 4,431.06, 6,622.38 and 4,080.78

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Solution

The fourth proportional to 4,431.06, 6,622.38 and 4,080.78 is: 6,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.06 : 6,622.38 = 4,080.78 : x
  2. Step 2: Convert to fraction form
    4,431.06/6,622.38 = 4,080.78/x
  3. Step 3: Cross multiply
    4,431.06x = 6,622.38 × 4,080.78
  4. Step 4: Simplify right side
    4,431.06x = 27,024,475.86
  5. Step 5: Solve for x
    x = 27,024,475.86/4,431.06
  6. Step 6: Final answer
    x = 6,098.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.