Home / 8,816.78-13,225.34-4,134.21

Finding the Fourth Proportional to 8,816.78, 13,225.34 and 4,134.21

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Solution

The fourth proportional to 8,816.78, 13,225.34 and 4,134.21 is: 6,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.78 : 13,225.34 = 4,134.21 : x
  2. Step 2: Convert to fraction form
    8,816.78/13,225.34 = 4,134.21/x
  3. Step 3: Cross multiply
    8,816.78x = 13,225.34 × 4,134.21
  4. Step 4: Simplify right side
    8,816.78x = 54,676,293.62
  5. Step 5: Solve for x
    x = 54,676,293.62/8,816.78
  6. Step 6: Final answer
    x = 6,201.39

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1.5x scale

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.