Home / 7,780.42-11,668.22-2,232.28

Finding the Fourth Proportional to 7,780.42, 11,668.22 and 2,232.28

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Solution

The fourth proportional to 7,780.42, 11,668.22 and 2,232.28 is: 3,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.42 : 11,668.22 = 2,232.28 : x
  2. Step 2: Convert to fraction form
    7,780.42/11,668.22 = 2,232.28/x
  3. Step 3: Cross multiply
    7,780.42x = 11,668.22 × 2,232.28
  4. Step 4: Simplify right side
    7,780.42x = 26,046,734.14
  5. Step 5: Solve for x
    x = 26,046,734.14/7,780.42
  6. Step 6: Final answer
    x = 3,347.73

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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.