Home / 8,089.88-12,135.83-2,895.75

Finding the Fourth Proportional to 8,089.88, 12,135.83 and 2,895.75

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Solution

The fourth proportional to 8,089.88, 12,135.83 and 2,895.75 is: 4,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.88 : 12,135.83 = 2,895.75 : x
  2. Step 2: Convert to fraction form
    8,089.88/12,135.83 = 2,895.75/x
  3. Step 3: Cross multiply
    8,089.88x = 12,135.83 × 2,895.75
  4. Step 4: Simplify right side
    8,089.88x = 35,142,315.24
  5. Step 5: Solve for x
    x = 35,142,315.24/8,089.88
  6. Step 6: Final answer
    x = 4,343.99

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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.