Home / 5,167.28-7,750.74-2,245.58

Finding the Fourth Proportional to 5,167.28, 7,750.74 and 2,245.58

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Solution

The fourth proportional to 5,167.28, 7,750.74 and 2,245.58 is: 3,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.28 : 7,750.74 = 2,245.58 : x
  2. Step 2: Convert to fraction form
    5,167.28/7,750.74 = 2,245.58/x
  3. Step 3: Cross multiply
    5,167.28x = 7,750.74 × 2,245.58
  4. Step 4: Simplify right side
    5,167.28x = 17,404,949.06
  5. Step 5: Solve for x
    x = 17,404,949.06/5,167.28
  6. Step 6: Final answer
    x = 3,368.30

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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.