Home / 5,141.30-7,712.35-1,443.83

Finding the Fourth Proportional to 5,141.30, 7,712.35 and 1,443.83

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Solution

The fourth proportional to 5,141.30, 7,712.35 and 1,443.83 is: 2,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.30 : 7,712.35 = 1,443.83 : x
  2. Step 2: Convert to fraction form
    5,141.30/7,712.35 = 1,443.83/x
  3. Step 3: Cross multiply
    5,141.30x = 7,712.35 × 1,443.83
  4. Step 4: Simplify right side
    5,141.30x = 11,135,280.13
  5. Step 5: Solve for x
    x = 11,135,280.13/5,141.30
  6. Step 6: Final answer
    x = 2,165.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.