Home / 5,902.47-8,145.66-3,385.29

Finding the Fourth Proportional to 5,902.47, 8,145.66 and 3,385.29

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Solution

The fourth proportional to 5,902.47, 8,145.66 and 3,385.29 is: 4,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.47 : 8,145.66 = 3,385.29 : x
  2. Step 2: Convert to fraction form
    5,902.47/8,145.66 = 3,385.29/x
  3. Step 3: Cross multiply
    5,902.47x = 8,145.66 × 3,385.29
  4. Step 4: Simplify right side
    5,902.47x = 27,575,464.58
  5. Step 5: Solve for x
    x = 27,575,464.58/5,902.47
  6. Step 6: Final answer
    x = 4,671.85

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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.