Home / 7,031.78-10,541.46-2,649.44

Finding the Fourth Proportional to 7,031.78, 10,541.46 and 2,649.44

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Solution

The fourth proportional to 7,031.78, 10,541.46 and 2,649.44 is: 3,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.78 : 10,541.46 = 2,649.44 : x
  2. Step 2: Convert to fraction form
    7,031.78/10,541.46 = 2,649.44/x
  3. Step 3: Cross multiply
    7,031.78x = 10,541.46 × 2,649.44
  4. Step 4: Simplify right side
    7,031.78x = 27,928,965.78
  5. Step 5: Solve for x
    x = 27,928,965.78/7,031.78
  6. Step 6: Final answer
    x = 3,971.82

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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.