Home / 8,012.57-11,057.51-4,475.78

Finding the Fourth Proportional to 8,012.57, 11,057.51 and 4,475.78

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Solution

The fourth proportional to 8,012.57, 11,057.51 and 4,475.78 is: 6,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.57 : 11,057.51 = 4,475.78 : x
  2. Step 2: Convert to fraction form
    8,012.57/11,057.51 = 4,475.78/x
  3. Step 3: Cross multiply
    8,012.57x = 11,057.51 × 4,475.78
  4. Step 4: Simplify right side
    8,012.57x = 49,490,904.44
  5. Step 5: Solve for x
    x = 49,490,904.44/8,012.57
  6. Step 6: Final answer
    x = 6,176.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.