Home / 5,269.32-7,905.15-1,982.43

Finding the Fourth Proportional to 5,269.32, 7,905.15 and 1,982.43

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Solution

The fourth proportional to 5,269.32, 7,905.15 and 1,982.43 is: 2,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.32 : 7,905.15 = 1,982.43 : x
  2. Step 2: Convert to fraction form
    5,269.32/7,905.15 = 1,982.43/x
  3. Step 3: Cross multiply
    5,269.32x = 7,905.15 × 1,982.43
  4. Step 4: Simplify right side
    5,269.32x = 15,671,406.51
  5. Step 5: Solve for x
    x = 15,671,406.51/5,269.32
  6. Step 6: Final answer
    x = 2,974.09

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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.