Home / 5,329.65-7,994.45-1,631.90

Finding the Fourth Proportional to 5,329.65, 7,994.45 and 1,631.90

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Solution

The fourth proportional to 5,329.65, 7,994.45 and 1,631.90 is: 2,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.65 : 7,994.45 = 1,631.90 : x
  2. Step 2: Convert to fraction form
    5,329.65/7,994.45 = 1,631.90/x
  3. Step 3: Cross multiply
    5,329.65x = 7,994.45 × 1,631.90
  4. Step 4: Simplify right side
    5,329.65x = 13,046,112.87
  5. Step 5: Solve for x
    x = 13,046,112.87/5,329.65
  6. Step 6: Final answer
    x = 2,447.84

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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.