Home / 7,581.22-11,366.45-2,897.28

Finding the Fourth Proportional to 7,581.22, 11,366.45 and 2,897.28

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Solution

The fourth proportional to 7,581.22, 11,366.45 and 2,897.28 is: 4,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.22 : 11,366.45 = 2,897.28 : x
  2. Step 2: Convert to fraction form
    7,581.22/11,366.45 = 2,897.28/x
  3. Step 3: Cross multiply
    7,581.22x = 11,366.45 × 2,897.28
  4. Step 4: Simplify right side
    7,581.22x = 32,931,836.89
  5. Step 5: Solve for x
    x = 32,931,836.89/7,581.22
  6. Step 6: Final answer
    x = 4,343.87

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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.