Home / 6,961.60-10,442.92-2,031.28

Finding the Fourth Proportional to 6,961.60, 10,442.92 and 2,031.28

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Solution

The fourth proportional to 6,961.60, 10,442.92 and 2,031.28 is: 3,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.60 : 10,442.92 = 2,031.28 : x
  2. Step 2: Convert to fraction form
    6,961.60/10,442.92 = 2,031.28/x
  3. Step 3: Cross multiply
    6,961.60x = 10,442.92 × 2,031.28
  4. Step 4: Simplify right side
    6,961.60x = 21,212,494.54
  5. Step 5: Solve for x
    x = 21,212,494.54/6,961.60
  6. Step 6: Final answer
    x = 3,047.07

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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.