Home / 7,378.96-11,065.50-2,697.90

Finding the Fourth Proportional to 7,378.96, 11,065.50 and 2,697.90

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Solution

The fourth proportional to 7,378.96, 11,065.50 and 2,697.90 is: 4,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.96 : 11,065.50 = 2,697.90 : x
  2. Step 2: Convert to fraction form
    7,378.96/11,065.50 = 2,697.90/x
  3. Step 3: Cross multiply
    7,378.96x = 11,065.50 × 2,697.90
  4. Step 4: Simplify right side
    7,378.96x = 29,853,598.28
  5. Step 5: Solve for x
    x = 29,853,598.28/7,378.96
  6. Step 6: Final answer
    x = 4,045.78

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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.