Home / 7,381.29-11,071.89-2,451.30

Finding the Fourth Proportional to 7,381.29, 11,071.89 and 2,451.30

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Solution

The fourth proportional to 7,381.29, 11,071.89 and 2,451.30 is: 3,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.29 : 11,071.89 = 2,451.30 : x
  2. Step 2: Convert to fraction form
    7,381.29/11,071.89 = 2,451.30/x
  3. Step 3: Cross multiply
    7,381.29x = 11,071.89 × 2,451.30
  4. Step 4: Simplify right side
    7,381.29x = 27,140,523.96
  5. Step 5: Solve for x
    x = 27,140,523.96/7,381.29
  6. Step 6: Final answer
    x = 3,676.94

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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.