Home / 5,357.88-8,029.53-3,278.61

Finding the Fourth Proportional to 5,357.88, 8,029.53 and 3,278.61

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Solution

The fourth proportional to 5,357.88, 8,029.53 and 3,278.61 is: 4,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.88 : 8,029.53 = 3,278.61 : x
  2. Step 2: Convert to fraction form
    5,357.88/8,029.53 = 3,278.61/x
  3. Step 3: Cross multiply
    5,357.88x = 8,029.53 × 3,278.61
  4. Step 4: Simplify right side
    5,357.88x = 26,325,697.35
  5. Step 5: Solve for x
    x = 26,325,697.35/5,357.88
  6. Step 6: Final answer
    x = 4,913.45

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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.