Home / 6,708.72-10,032.84-5,127.90

Finding the Fourth Proportional to 6,708.72, 10,032.84 and 5,127.90

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Solution

The fourth proportional to 6,708.72, 10,032.84 and 5,127.90 is: 7,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.72 : 10,032.84 = 5,127.90 : x
  2. Step 2: Convert to fraction form
    6,708.72/10,032.84 = 5,127.90/x
  3. Step 3: Cross multiply
    6,708.72x = 10,032.84 × 5,127.90
  4. Step 4: Simplify right side
    6,708.72x = 51,447,400.24
  5. Step 5: Solve for x
    x = 51,447,400.24/6,708.72
  6. Step 6: Final answer
    x = 7,668.74

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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.