Home / 5,225.25-7,837.82-1,329.61

Finding the Fourth Proportional to 5,225.25, 7,837.82 and 1,329.61

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Solution

The fourth proportional to 5,225.25, 7,837.82 and 1,329.61 is: 1,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.25 : 7,837.82 = 1,329.61 : x
  2. Step 2: Convert to fraction form
    5,225.25/7,837.82 = 1,329.61/x
  3. Step 3: Cross multiply
    5,225.25x = 7,837.82 × 1,329.61
  4. Step 4: Simplify right side
    5,225.25x = 10,421,237.20
  5. Step 5: Solve for x
    x = 10,421,237.20/5,225.25
  6. Step 6: Final answer
    x = 1,994.40

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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.