Home / 7,766.28-11,651.04-2,572.20

Finding the Fourth Proportional to 7,766.28, 11,651.04 and 2,572.20

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Solution

The fourth proportional to 7,766.28, 11,651.04 and 2,572.20 is: 3,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.28 : 11,651.04 = 2,572.20 : x
  2. Step 2: Convert to fraction form
    7,766.28/11,651.04 = 2,572.20/x
  3. Step 3: Cross multiply
    7,766.28x = 11,651.04 × 2,572.20
  4. Step 4: Simplify right side
    7,766.28x = 29,968,805.09
  5. Step 5: Solve for x
    x = 29,968,805.09/7,766.28
  6. Step 6: Final answer
    x = 3,858.84

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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.