Home / 5,148.28-7,721.70-2,026.06

Finding the Fourth Proportional to 5,148.28, 7,721.70 and 2,026.06

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Solution

The fourth proportional to 5,148.28, 7,721.70 and 2,026.06 is: 3,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.28 : 7,721.70 = 2,026.06 : x
  2. Step 2: Convert to fraction form
    5,148.28/7,721.70 = 2,026.06/x
  3. Step 3: Cross multiply
    5,148.28x = 7,721.70 × 2,026.06
  4. Step 4: Simplify right side
    5,148.28x = 15,644,627.50
  5. Step 5: Solve for x
    x = 15,644,627.50/5,148.28
  6. Step 6: Final answer
    x = 3,038.81

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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.