Home / 8,778.99-13,169.09-2,934.84

Finding the Fourth Proportional to 8,778.99, 13,169.09 and 2,934.84

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Solution

The fourth proportional to 8,778.99, 13,169.09 and 2,934.84 is: 4,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.99 : 13,169.09 = 2,934.84 : x
  2. Step 2: Convert to fraction form
    8,778.99/13,169.09 = 2,934.84/x
  3. Step 3: Cross multiply
    8,778.99x = 13,169.09 × 2,934.84
  4. Step 4: Simplify right side
    8,778.99x = 38,649,172.10
  5. Step 5: Solve for x
    x = 38,649,172.10/8,778.99
  6. Step 6: Final answer
    x = 4,402.46

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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.