Home / 5,141.13-7,711.11-1,443.50

Finding the Fourth Proportional to 5,141.13, 7,711.11 and 1,443.50

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Solution

The fourth proportional to 5,141.13, 7,711.11 and 1,443.50 is: 2,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.13 : 7,711.11 = 1,443.50 : x
  2. Step 2: Convert to fraction form
    5,141.13/7,711.11 = 1,443.50/x
  3. Step 3: Cross multiply
    5,141.13x = 7,711.11 × 1,443.50
  4. Step 4: Simplify right side
    5,141.13x = 11,131,006.56
  5. Step 5: Solve for x
    x = 11,131,006.56/5,141.13
  6. Step 6: Final answer
    x = 2,165.09

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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.