Home / 8,857.78-13,286.13-3,663.52

Finding the Fourth Proportional to 8,857.78, 13,286.13 and 3,663.52

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Solution

The fourth proportional to 8,857.78, 13,286.13 and 3,663.52 is: 5,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.78 : 13,286.13 = 3,663.52 : x
  2. Step 2: Convert to fraction form
    8,857.78/13,286.13 = 3,663.52/x
  3. Step 3: Cross multiply
    8,857.78x = 13,286.13 × 3,663.52
  4. Step 4: Simplify right side
    8,857.78x = 48,674,002.98
  5. Step 5: Solve for x
    x = 48,674,002.98/8,857.78
  6. Step 6: Final answer
    x = 5,495.06

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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.