Home / 9,760.68-14,640.55-3,186.01

Finding the Fourth Proportional to 9,760.68, 14,640.55 and 3,186.01

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Solution

The fourth proportional to 9,760.68, 14,640.55 and 3,186.01 is: 4,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.68 : 14,640.55 = 3,186.01 : x
  2. Step 2: Convert to fraction form
    9,760.68/14,640.55 = 3,186.01/x
  3. Step 3: Cross multiply
    9,760.68x = 14,640.55 × 3,186.01
  4. Step 4: Simplify right side
    9,760.68x = 46,644,938.71
  5. Step 5: Solve for x
    x = 46,644,938.71/9,760.68
  6. Step 6: Final answer
    x = 4,778.86

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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.