Home / 5,148.45-7,718.57-2,224.75

Finding the Fourth Proportional to 5,148.45, 7,718.57 and 2,224.75

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Solution

The fourth proportional to 5,148.45, 7,718.57 and 2,224.75 is: 3,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.45 : 7,718.57 = 2,224.75 : x
  2. Step 2: Convert to fraction form
    5,148.45/7,718.57 = 2,224.75/x
  3. Step 3: Cross multiply
    5,148.45x = 7,718.57 × 2,224.75
  4. Step 4: Simplify right side
    5,148.45x = 17,171,888.61
  5. Step 5: Solve for x
    x = 17,171,888.61/5,148.45
  6. Step 6: Final answer
    x = 3,335.35

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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.