Home / 5,148.20-7,718.20-2,224.51

Finding the Fourth Proportional to 5,148.20, 7,718.20 and 2,224.51

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Solution

The fourth proportional to 5,148.20, 7,718.20 and 2,224.51 is: 3,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.20 : 7,718.20 = 2,224.51 : x
  2. Step 2: Convert to fraction form
    5,148.20/7,718.20 = 2,224.51/x
  3. Step 3: Cross multiply
    5,148.20x = 7,718.20 × 2,224.51
  4. Step 4: Simplify right side
    5,148.20x = 17,169,188.23
  5. Step 5: Solve for x
    x = 17,169,188.23/5,148.20
  6. Step 6: Final answer
    x = 3,334.99

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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.