Home / 4,449.29-6,140.69-3,385.29

Finding the Fourth Proportional to 4,449.29, 6,140.69 and 3,385.29

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Solution

The fourth proportional to 4,449.29, 6,140.69 and 3,385.29 is: 4,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.29 : 6,140.69 = 3,385.29 : x
  2. Step 2: Convert to fraction form
    4,449.29/6,140.69 = 3,385.29/x
  3. Step 3: Cross multiply
    4,449.29x = 6,140.69 × 3,385.29
  4. Step 4: Simplify right side
    4,449.29x = 20,788,025.72
  5. Step 5: Solve for x
    x = 20,788,025.72/4,449.29
  6. Step 6: Final answer
    x = 4,672.21

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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.