Home / 8,012.30-11,057.16-4,475.76

Finding the Fourth Proportional to 8,012.30, 11,057.16 and 4,475.76

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Solution

The fourth proportional to 8,012.30, 11,057.16 and 4,475.76 is: 6,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.30 : 11,057.16 = 4,475.76 : x
  2. Step 2: Convert to fraction form
    8,012.30/11,057.16 = 4,475.76/x
  3. Step 3: Cross multiply
    8,012.30x = 11,057.16 × 4,475.76
  4. Step 4: Simplify right side
    8,012.30x = 49,489,194.44
  5. Step 5: Solve for x
    x = 49,489,194.44/8,012.30
  6. Step 6: Final answer
    x = 6,176.65

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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.