Home / 6,564.76-9,851.40-3,930.28

Finding the Fourth Proportional to 6,564.76, 9,851.40 and 3,930.28

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Solution

The fourth proportional to 6,564.76, 9,851.40 and 3,930.28 is: 5,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,564.76 : 9,851.40 = 3,930.28 : x
  2. Step 2: Convert to fraction form
    6,564.76/9,851.40 = 3,930.28/x
  3. Step 3: Cross multiply
    6,564.76x = 9,851.40 × 3,930.28
  4. Step 4: Simplify right side
    6,564.76x = 38,718,760.39
  5. Step 5: Solve for x
    x = 38,718,760.39/6,564.76
  6. Step 6: Final answer
    x = 5,897.97

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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.