Home / 6,506.13-9,758.18-2,122.61

Finding the Fourth Proportional to 6,506.13, 9,758.18 and 2,122.61

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Solution

The fourth proportional to 6,506.13, 9,758.18 and 2,122.61 is: 3,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506.13 : 9,758.18 = 2,122.61 : x
  2. Step 2: Convert to fraction form
    6,506.13/9,758.18 = 2,122.61/x
  3. Step 3: Cross multiply
    6,506.13x = 9,758.18 × 2,122.61
  4. Step 4: Simplify right side
    6,506.13x = 20,712,840.15
  5. Step 5: Solve for x
    x = 20,712,840.15/6,506.13
  6. Step 6: Final answer
    x = 3,183.59

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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.