Home / 5,114.61-7,679.09-2,617.58

Finding the Fourth Proportional to 5,114.61, 7,679.09 and 2,617.58

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Solution

The fourth proportional to 5,114.61, 7,679.09 and 2,617.58 is: 3,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.61 : 7,679.09 = 2,617.58 : x
  2. Step 2: Convert to fraction form
    5,114.61/7,679.09 = 2,617.58/x
  3. Step 3: Cross multiply
    5,114.61x = 7,679.09 × 2,617.58
  4. Step 4: Simplify right side
    5,114.61x = 20,100,594.01
  5. Step 5: Solve for x
    x = 20,100,594.01/5,114.61
  6. Step 6: Final answer
    x = 3,930.04

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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.