Home / 5,449.72-7,518.11-3,210.52

Finding the Fourth Proportional to 5,449.72, 7,518.11 and 3,210.52

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Solution

The fourth proportional to 5,449.72, 7,518.11 and 3,210.52 is: 4,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.72 : 7,518.11 = 3,210.52 : x
  2. Step 2: Convert to fraction form
    5,449.72/7,518.11 = 3,210.52/x
  3. Step 3: Cross multiply
    5,449.72x = 7,518.11 × 3,210.52
  4. Step 4: Simplify right side
    5,449.72x = 24,137,042.52
  5. Step 5: Solve for x
    x = 24,137,042.52/5,449.72
  6. Step 6: Final answer
    x = 4,429.04

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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.