Home / 8,819.24-12,169.67-5,282.36

Finding the Fourth Proportional to 8,819.24, 12,169.67 and 5,282.36

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Solution

The fourth proportional to 8,819.24, 12,169.67 and 5,282.36 is: 7,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.24 : 12,169.67 = 5,282.36 : x
  2. Step 2: Convert to fraction form
    8,819.24/12,169.67 = 5,282.36/x
  3. Step 3: Cross multiply
    8,819.24x = 12,169.67 × 5,282.36
  4. Step 4: Simplify right side
    8,819.24x = 64,284,551.61
  5. Step 5: Solve for x
    x = 64,284,551.61/8,819.24
  6. Step 6: Final answer
    x = 7,289.13

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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.