Home / 4,331.78-6,508.40-2,772.48

Finding the Fourth Proportional to 4,331.78, 6,508.40 and 2,772.48

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Solution

The fourth proportional to 4,331.78, 6,508.40 and 2,772.48 is: 4,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.78 : 6,508.40 = 2,772.48 : x
  2. Step 2: Convert to fraction form
    4,331.78/6,508.40 = 2,772.48/x
  3. Step 3: Cross multiply
    4,331.78x = 6,508.40 × 2,772.48
  4. Step 4: Simplify right side
    4,331.78x = 18,044,408.83
  5. Step 5: Solve for x
    x = 18,044,408.83/4,331.78
  6. Step 6: Final answer
    x = 4,165.59

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1.5x scale

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.