Home / 4,956.90-7,427.31-2,616.78

Finding the Fourth Proportional to 4,956.90, 7,427.31 and 2,616.78

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Solution

The fourth proportional to 4,956.90, 7,427.31 and 2,616.78 is: 3,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.90 : 7,427.31 = 2,616.78 : x
  2. Step 2: Convert to fraction form
    4,956.90/7,427.31 = 2,616.78/x
  3. Step 3: Cross multiply
    4,956.90x = 7,427.31 × 2,616.78
  4. Step 4: Simplify right side
    4,956.90x = 19,435,636.26
  5. Step 5: Solve for x
    x = 19,435,636.26/4,956.90
  6. Step 6: Final answer
    x = 3,920.93

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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.