Home / 5,626.34-7,757.06-3,854.78

Finding the Fourth Proportional to 5,626.34, 7,757.06 and 3,854.78

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Solution

The fourth proportional to 5,626.34, 7,757.06 and 3,854.78 is: 5,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.34 : 7,757.06 = 3,854.78 : x
  2. Step 2: Convert to fraction form
    5,626.34/7,757.06 = 3,854.78/x
  3. Step 3: Cross multiply
    5,626.34x = 7,757.06 × 3,854.78
  4. Step 4: Simplify right side
    5,626.34x = 29,901,759.75
  5. Step 5: Solve for x
    x = 29,901,759.75/5,626.34
  6. Step 6: Final answer
    x = 5,314.60

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1.5x scale

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.