Home / 7,154.28-10,733.12-2,991.96

Finding the Fourth Proportional to 7,154.28, 10,733.12 and 2,991.96

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Solution

The fourth proportional to 7,154.28, 10,733.12 and 2,991.96 is: 4,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.28 : 10,733.12 = 2,991.96 : x
  2. Step 2: Convert to fraction form
    7,154.28/10,733.12 = 2,991.96/x
  3. Step 3: Cross multiply
    7,154.28x = 10,733.12 × 2,991.96
  4. Step 4: Simplify right side
    7,154.28x = 32,113,065.72
  5. Step 5: Solve for x
    x = 32,113,065.72/7,154.28
  6. Step 6: Final answer
    x = 4,488.65

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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.