Home / 4,447.31-6,137.51-2,679.48

Finding the Fourth Proportional to 4,447.31, 6,137.51 and 2,679.48

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Solution

The fourth proportional to 4,447.31, 6,137.51 and 2,679.48 is: 3,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.31 : 6,137.51 = 2,679.48 : x
  2. Step 2: Convert to fraction form
    4,447.31/6,137.51 = 2,679.48/x
  3. Step 3: Cross multiply
    4,447.31x = 6,137.51 × 2,679.48
  4. Step 4: Simplify right side
    4,447.31x = 16,445,321.90
  5. Step 5: Solve for x
    x = 16,445,321.90/4,447.31
  6. Step 6: Final answer
    x = 3,697.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.