Home / 5,529.50-8,294.28-1,425.50

Finding the Fourth Proportional to 5,529.50, 8,294.28 and 1,425.50

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Solution

The fourth proportional to 5,529.50, 8,294.28 and 1,425.50 is: 2,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.50 : 8,294.28 = 1,425.50 : x
  2. Step 2: Convert to fraction form
    5,529.50/8,294.28 = 1,425.50/x
  3. Step 3: Cross multiply
    5,529.50x = 8,294.28 × 1,425.50
  4. Step 4: Simplify right side
    5,529.50x = 11,823,496.14
  5. Step 5: Solve for x
    x = 11,823,496.14/5,529.50
  6. Step 6: Final answer
    x = 2,138.26

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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.