Home / 7,311.17-10,966.95-2,381.10

Finding the Fourth Proportional to 7,311.17, 10,966.95 and 2,381.10

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Solution

The fourth proportional to 7,311.17, 10,966.95 and 2,381.10 is: 3,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.17 : 10,966.95 = 2,381.10 : x
  2. Step 2: Convert to fraction form
    7,311.17/10,966.95 = 2,381.10/x
  3. Step 3: Cross multiply
    7,311.17x = 10,966.95 × 2,381.10
  4. Step 4: Simplify right side
    7,311.17x = 26,113,404.65
  5. Step 5: Solve for x
    x = 26,113,404.65/7,311.17
  6. Step 6: Final answer
    x = 3,571.71

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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.