Home / 7,381.46-11,071.16-2,116.92

Finding the Fourth Proportional to 7,381.46, 11,071.16 and 2,116.92

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Solution

The fourth proportional to 7,381.46, 11,071.16 and 2,116.92 is: 3,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.46 : 11,071.16 = 2,116.92 : x
  2. Step 2: Convert to fraction form
    7,381.46/11,071.16 = 2,116.92/x
  3. Step 3: Cross multiply
    7,381.46x = 11,071.16 × 2,116.92
  4. Step 4: Simplify right side
    7,381.46x = 23,436,798.90
  5. Step 5: Solve for x
    x = 23,436,798.90/7,381.46
  6. Step 6: Final answer
    x = 3,175.09

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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.