Home / 8,905.68-13,357.98-2,331.72

Finding the Fourth Proportional to 8,905.68, 13,357.98 and 2,331.72

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Solution

The fourth proportional to 8,905.68, 13,357.98 and 2,331.72 is: 3,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.68 : 13,357.98 = 2,331.72 : x
  2. Step 2: Convert to fraction form
    8,905.68/13,357.98 = 2,331.72/x
  3. Step 3: Cross multiply
    8,905.68x = 13,357.98 × 2,331.72
  4. Step 4: Simplify right side
    8,905.68x = 31,147,069.13
  5. Step 5: Solve for x
    x = 31,147,069.13/8,905.68
  6. Step 6: Final answer
    x = 3,497.44

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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.