Home / 7,088.58-10,634.40-2,158.61

Finding the Fourth Proportional to 7,088.58, 10,634.40 and 2,158.61

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Solution

The fourth proportional to 7,088.58, 10,634.40 and 2,158.61 is: 3,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.58 : 10,634.40 = 2,158.61 : x
  2. Step 2: Convert to fraction form
    7,088.58/10,634.40 = 2,158.61/x
  3. Step 3: Cross multiply
    7,088.58x = 10,634.40 × 2,158.61
  4. Step 4: Simplify right side
    7,088.58x = 22,955,469.01
  5. Step 5: Solve for x
    x = 22,955,469.01/7,088.58
  6. Step 6: Final answer
    x = 3,238.37

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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.