Home / 5,226.61-7,213.84-3,131.95

Finding the Fourth Proportional to 5,226.61, 7,213.84 and 3,131.95

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Solution

The fourth proportional to 5,226.61, 7,213.84 and 3,131.95 is: 4,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.61 : 7,213.84 = 3,131.95 : x
  2. Step 2: Convert to fraction form
    5,226.61/7,213.84 = 3,131.95/x
  3. Step 3: Cross multiply
    5,226.61x = 7,213.84 × 3,131.95
  4. Step 4: Simplify right side
    5,226.61x = 22,593,386.19
  5. Step 5: Solve for x
    x = 22,593,386.19/5,226.61
  6. Step 6: Final answer
    x = 4,322.76

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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.