Home / 6,508.10-9,758.55-2,123.30

Finding the Fourth Proportional to 6,508.10, 9,758.55 and 2,123.30

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Solution

The fourth proportional to 6,508.10, 9,758.55 and 2,123.30 is: 3,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508.10 : 9,758.55 = 2,123.30 : x
  2. Step 2: Convert to fraction form
    6,508.10/9,758.55 = 2,123.30/x
  3. Step 3: Cross multiply
    6,508.10x = 9,758.55 × 2,123.30
  4. Step 4: Simplify right side
    6,508.10x = 20,720,329.22
  5. Step 5: Solve for x
    x = 20,720,329.22/6,508.10
  6. Step 6: Final answer
    x = 3,183.78

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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.