Home / 7,311.84-10,966.61-2,381.43

Finding the Fourth Proportional to 7,311.84, 10,966.61 and 2,381.43

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Solution

The fourth proportional to 7,311.84, 10,966.61 and 2,381.43 is: 3,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.84 : 10,966.61 = 2,381.43 : x
  2. Step 2: Convert to fraction form
    7,311.84/10,966.61 = 2,381.43/x
  3. Step 3: Cross multiply
    7,311.84x = 10,966.61 × 2,381.43
  4. Step 4: Simplify right side
    7,311.84x = 26,116,247.74
  5. Step 5: Solve for x
    x = 26,116,247.74/7,311.84
  6. Step 6: Final answer
    x = 3,571.78

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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.