Home / 8,218.16-12,307.62-4,744.88

Finding the Fourth Proportional to 8,218.16, 12,307.62 and 4,744.88

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Solution

The fourth proportional to 8,218.16, 12,307.62 and 4,744.88 is: 7,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.16 : 12,307.62 = 4,744.88 : x
  2. Step 2: Convert to fraction form
    8,218.16/12,307.62 = 4,744.88/x
  3. Step 3: Cross multiply
    8,218.16x = 12,307.62 × 4,744.88
  4. Step 4: Simplify right side
    8,218.16x = 58,398,179.99
  5. Step 5: Solve for x
    x = 58,398,179.99/8,218.16
  6. Step 6: Final answer
    x = 7,105.99

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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.