Home / 5,286.10-7,929.69-1,822.54

Finding the Fourth Proportional to 5,286.10, 7,929.69 and 1,822.54

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Solution

The fourth proportional to 5,286.10, 7,929.69 and 1,822.54 is: 2,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.10 : 7,929.69 = 1,822.54 : x
  2. Step 2: Convert to fraction form
    5,286.10/7,929.69 = 1,822.54/x
  3. Step 3: Cross multiply
    5,286.10x = 7,929.69 × 1,822.54
  4. Step 4: Simplify right side
    5,286.10x = 14,452,177.21
  5. Step 5: Solve for x
    x = 14,452,177.21/5,286.10
  6. Step 6: Final answer
    x = 2,734.00

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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.