Home / 5,622.42-7,758.54-3,264.78

Finding the Fourth Proportional to 5,622.42, 7,758.54 and 3,264.78

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Solution

The fourth proportional to 5,622.42, 7,758.54 and 3,264.78 is: 4,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.42 : 7,758.54 = 3,264.78 : x
  2. Step 2: Convert to fraction form
    5,622.42/7,758.54 = 3,264.78/x
  3. Step 3: Cross multiply
    5,622.42x = 7,758.54 × 3,264.78
  4. Step 4: Simplify right side
    5,622.42x = 25,329,926.22
  5. Step 5: Solve for x
    x = 25,329,926.22/5,622.42
  6. Step 6: Final answer
    x = 4,505.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.