Home / 7,277.24-10,911.84-3,378.20

Finding the Fourth Proportional to 7,277.24, 10,911.84 and 3,378.20

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Solution

The fourth proportional to 7,277.24, 10,911.84 and 3,378.20 is: 5,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.24 : 10,911.84 = 3,378.20 : x
  2. Step 2: Convert to fraction form
    7,277.24/10,911.84 = 3,378.20/x
  3. Step 3: Cross multiply
    7,277.24x = 10,911.84 × 3,378.20
  4. Step 4: Simplify right side
    7,277.24x = 36,862,377.89
  5. Step 5: Solve for x
    x = 36,862,377.89/7,277.24
  6. Step 6: Final answer
    x = 5,065.43

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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.