Home / 8,089.05-12,139.12-2,824.07

Finding the Fourth Proportional to 8,089.05, 12,139.12 and 2,824.07

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Solution

The fourth proportional to 8,089.05, 12,139.12 and 2,824.07 is: 4,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.05 : 12,139.12 = 2,824.07 : x
  2. Step 2: Convert to fraction form
    8,089.05/12,139.12 = 2,824.07/x
  3. Step 3: Cross multiply
    8,089.05x = 12,139.12 × 2,824.07
  4. Step 4: Simplify right side
    8,089.05x = 34,281,670.98
  5. Step 5: Solve for x
    x = 34,281,670.98/8,089.05
  6. Step 6: Final answer
    x = 4,238.03

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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.