Home / 7,766.17-11,651.07-2,219.59

Finding the Fourth Proportional to 7,766.17, 11,651.07 and 2,219.59

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Solution

The fourth proportional to 7,766.17, 11,651.07 and 2,219.59 is: 3,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.17 : 11,651.07 = 2,219.59 : x
  2. Step 2: Convert to fraction form
    7,766.17/11,651.07 = 2,219.59/x
  3. Step 3: Cross multiply
    7,766.17x = 11,651.07 × 2,219.59
  4. Step 4: Simplify right side
    7,766.17x = 25,860,598.46
  5. Step 5: Solve for x
    x = 25,860,598.46/7,766.17
  6. Step 6: Final answer
    x = 3,329.90

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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.