Home / 7,651.24-11,482.28-2,720.88

Finding the Fourth Proportional to 7,651.24, 11,482.28 and 2,720.88

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Solution

The fourth proportional to 7,651.24, 11,482.28 and 2,720.88 is: 4,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.24 : 11,482.28 = 2,720.88 : x
  2. Step 2: Convert to fraction form
    7,651.24/11,482.28 = 2,720.88/x
  3. Step 3: Cross multiply
    7,651.24x = 11,482.28 × 2,720.88
  4. Step 4: Simplify right side
    7,651.24x = 31,241,906.01
  5. Step 5: Solve for x
    x = 31,241,906.01/7,651.24
  6. Step 6: Final answer
    x = 4,083.25

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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.