Home / 7,089.54-10,635.48-2,158.98

Finding the Fourth Proportional to 7,089.54, 10,635.48 and 2,158.98

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Solution

The fourth proportional to 7,089.54, 10,635.48 and 2,158.98 is: 3,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.54 : 10,635.48 = 2,158.98 : x
  2. Step 2: Convert to fraction form
    7,089.54/10,635.48 = 2,158.98/x
  3. Step 3: Cross multiply
    7,089.54x = 10,635.48 × 2,158.98
  4. Step 4: Simplify right side
    7,089.54x = 22,961,788.61
  5. Step 5: Solve for x
    x = 22,961,788.61/7,089.54
  6. Step 6: Final answer
    x = 3,238.83

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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.