Home / 7,089.12-10,634.22-2,159.12

Finding the Fourth Proportional to 7,089.12, 10,634.22 and 2,159.12

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Solution

The fourth proportional to 7,089.12, 10,634.22 and 2,159.12 is: 3,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.12 : 10,634.22 = 2,159.12 : x
  2. Step 2: Convert to fraction form
    7,089.12/10,634.22 = 2,159.12/x
  3. Step 3: Cross multiply
    7,089.12x = 10,634.22 × 2,159.12
  4. Step 4: Simplify right side
    7,089.12x = 22,960,583.67
  5. Step 5: Solve for x
    x = 22,960,583.67/7,089.12
  6. Step 6: Final answer
    x = 3,238.85

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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.