Home / 5,146.31-7,718.88-1,448.84

Finding the Fourth Proportional to 5,146.31, 7,718.88 and 1,448.84

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Solution

The fourth proportional to 5,146.31, 7,718.88 and 1,448.84 is: 2,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.31 : 7,718.88 = 1,448.84 : x
  2. Step 2: Convert to fraction form
    5,146.31/7,718.88 = 1,448.84/x
  3. Step 3: Cross multiply
    5,146.31x = 7,718.88 × 1,448.84
  4. Step 4: Simplify right side
    5,146.31x = 11,183,422.10
  5. Step 5: Solve for x
    x = 11,183,422.10/5,146.31
  6. Step 6: Final answer
    x = 2,173.10

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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.