Home / 7,282.11-10,050.17-4,138.77

Finding the Fourth Proportional to 7,282.11, 10,050.17 and 4,138.77

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Solution

The fourth proportional to 7,282.11, 10,050.17 and 4,138.77 is: 5,711.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.11 : 10,050.17 = 4,138.77 : x
  2. Step 2: Convert to fraction form
    7,282.11/10,050.17 = 4,138.77/x
  3. Step 3: Cross multiply
    7,282.11x = 10,050.17 × 4,138.77
  4. Step 4: Simplify right side
    7,282.11x = 41,595,321.40
  5. Step 5: Solve for x
    x = 41,595,321.40/7,282.11
  6. Step 6: Final answer
    x = 5,711.99

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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.