Home / 4,718.05-7,077.92-1,943.21

Finding the Fourth Proportional to 4,718.05, 7,077.92 and 1,943.21

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Solution

The fourth proportional to 4,718.05, 7,077.92 and 1,943.21 is: 2,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.05 : 7,077.92 = 1,943.21 : x
  2. Step 2: Convert to fraction form
    4,718.05/7,077.92 = 1,943.21/x
  3. Step 3: Cross multiply
    4,718.05x = 7,077.92 × 1,943.21
  4. Step 4: Simplify right side
    4,718.05x = 13,753,854.39
  5. Step 5: Solve for x
    x = 13,753,854.39/4,718.05
  6. Step 6: Final answer
    x = 2,915.16

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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.