Home / 7,311.41-10,965.98-2,381.02

Finding the Fourth Proportional to 7,311.41, 10,965.98 and 2,381.02

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Solution

The fourth proportional to 7,311.41, 10,965.98 and 2,381.02 is: 3,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.41 : 10,965.98 = 2,381.02 : x
  2. Step 2: Convert to fraction form
    7,311.41/10,965.98 = 2,381.02/x
  3. Step 3: Cross multiply
    7,311.41x = 10,965.98 × 2,381.02
  4. Step 4: Simplify right side
    7,311.41x = 26,110,227.08
  5. Step 5: Solve for x
    x = 26,110,227.08/7,311.41
  6. Step 6: Final answer
    x = 3,571.16

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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.