Home / 4,948.70-7,422.95-1,988.44

Finding the Fourth Proportional to 4,948.70, 7,422.95 and 1,988.44

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Solution

The fourth proportional to 4,948.70, 7,422.95 and 1,988.44 is: 2,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.70 : 7,422.95 = 1,988.44 : x
  2. Step 2: Convert to fraction form
    4,948.70/7,422.95 = 1,988.44/x
  3. Step 3: Cross multiply
    4,948.70x = 7,422.95 × 1,988.44
  4. Step 4: Simplify right side
    4,948.70x = 14,760,077.11
  5. Step 5: Solve for x
    x = 14,760,077.11/4,948.70
  6. Step 6: Final answer
    x = 2,982.62

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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.