Home / 6,987.47-10,475.73-4,488.82

Finding the Fourth Proportional to 6,987.47, 10,475.73 and 4,488.82

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Solution

The fourth proportional to 6,987.47, 10,475.73 and 4,488.82 is: 6,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.47 : 10,475.73 = 4,488.82 : x
  2. Step 2: Convert to fraction form
    6,987.47/10,475.73 = 4,488.82/x
  3. Step 3: Cross multiply
    6,987.47x = 10,475.73 × 4,488.82
  4. Step 4: Simplify right side
    6,987.47x = 47,023,640.15
  5. Step 5: Solve for x
    x = 47,023,640.15/6,987.47
  6. Step 6: Final answer
    x = 6,729.71

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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.