Home / 5,417.78-8,125.07-2,297.75

Finding the Fourth Proportional to 5,417.78, 8,125.07 and 2,297.75

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Solution

The fourth proportional to 5,417.78, 8,125.07 and 2,297.75 is: 3,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.78 : 8,125.07 = 2,297.75 : x
  2. Step 2: Convert to fraction form
    5,417.78/8,125.07 = 2,297.75/x
  3. Step 3: Cross multiply
    5,417.78x = 8,125.07 × 2,297.75
  4. Step 4: Simplify right side
    5,417.78x = 18,669,327.48
  5. Step 5: Solve for x
    x = 18,669,327.48/5,417.78
  6. Step 6: Final answer
    x = 3,445.94

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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.