Home / 5,509.38-7,602.15-3,151.08

Finding the Fourth Proportional to 5,509.38, 7,602.15 and 3,151.08

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Solution

The fourth proportional to 5,509.38, 7,602.15 and 3,151.08 is: 4,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.38 : 7,602.15 = 3,151.08 : x
  2. Step 2: Convert to fraction form
    5,509.38/7,602.15 = 3,151.08/x
  3. Step 3: Cross multiply
    5,509.38x = 7,602.15 × 3,151.08
  4. Step 4: Simplify right side
    5,509.38x = 23,954,982.82
  5. Step 5: Solve for x
    x = 23,954,982.82/5,509.38
  6. Step 6: Final answer
    x = 4,348.04

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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.