Home / 8,388.45-11,578.50-5,202.72

Finding the Fourth Proportional to 8,388.45, 11,578.50 and 5,202.72

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Solution

The fourth proportional to 8,388.45, 11,578.50 and 5,202.72 is: 7,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.45 : 11,578.50 = 5,202.72 : x
  2. Step 2: Convert to fraction form
    8,388.45/11,578.50 = 5,202.72/x
  3. Step 3: Cross multiply
    8,388.45x = 11,578.50 × 5,202.72
  4. Step 4: Simplify right side
    8,388.45x = 60,239,693.52
  5. Step 5: Solve for x
    x = 60,239,693.52/8,388.45
  6. Step 6: Final answer
    x = 7,181.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.