Home / 7,351.20-11,012.90-5,699.66

Finding the Fourth Proportional to 7,351.20, 11,012.90 and 5,699.66

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Solution

The fourth proportional to 7,351.20, 11,012.90 and 5,699.66 is: 8,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.20 : 11,012.90 = 5,699.66 : x
  2. Step 2: Convert to fraction form
    7,351.20/11,012.90 = 5,699.66/x
  3. Step 3: Cross multiply
    7,351.20x = 11,012.90 × 5,699.66
  4. Step 4: Simplify right side
    7,351.20x = 62,769,785.61
  5. Step 5: Solve for x
    x = 62,769,785.61/7,351.20
  6. Step 6: Final answer
    x = 8,538.71

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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.