Home / 6,815.30-9,408.83-4,126.97

Finding the Fourth Proportional to 6,815.30, 9,408.83 and 4,126.97

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Solution

The fourth proportional to 6,815.30, 9,408.83 and 4,126.97 is: 5,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.30 : 9,408.83 = 4,126.97 : x
  2. Step 2: Convert to fraction form
    6,815.30/9,408.83 = 4,126.97/x
  3. Step 3: Cross multiply
    6,815.30x = 9,408.83 × 4,126.97
  4. Step 4: Simplify right side
    6,815.30x = 38,829,891.47
  5. Step 5: Solve for x
    x = 38,829,891.47/6,815.30
  6. Step 6: Final answer
    x = 5,697.46

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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.