Home / 5,148.78-7,724.61-2,026.86

Finding the Fourth Proportional to 5,148.78, 7,724.61 and 2,026.86

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Solution

The fourth proportional to 5,148.78, 7,724.61 and 2,026.86 is: 3,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.78 : 7,724.61 = 2,026.86 : x
  2. Step 2: Convert to fraction form
    5,148.78/7,724.61 = 2,026.86/x
  3. Step 3: Cross multiply
    5,148.78x = 7,724.61 × 2,026.86
  4. Step 4: Simplify right side
    5,148.78x = 15,656,703.02
  5. Step 5: Solve for x
    x = 15,656,703.02/5,148.78
  6. Step 6: Final answer
    x = 3,040.86

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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.