Home / 4,339.20-5,988.96-2,767.20

Finding the Fourth Proportional to 4,339.20, 5,988.96 and 2,767.20

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Solution

The fourth proportional to 4,339.20, 5,988.96 and 2,767.20 is: 3,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.20 : 5,988.96 = 2,767.20 : x
  2. Step 2: Convert to fraction form
    4,339.20/5,988.96 = 2,767.20/x
  3. Step 3: Cross multiply
    4,339.20x = 5,988.96 × 2,767.20
  4. Step 4: Simplify right side
    4,339.20x = 16,572,650.11
  5. Step 5: Solve for x
    x = 16,572,650.11/4,339.20
  6. Step 6: Final answer
    x = 3,819.29

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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.