Home / 5,286.17-7,929.26-1,588.79

Finding the Fourth Proportional to 5,286.17, 7,929.26 and 1,588.79

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Solution

The fourth proportional to 5,286.17, 7,929.26 and 1,588.79 is: 2,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.17 : 7,929.26 = 1,588.79 : x
  2. Step 2: Convert to fraction form
    5,286.17/7,929.26 = 1,588.79/x
  3. Step 3: Cross multiply
    5,286.17x = 7,929.26 × 1,588.79
  4. Step 4: Simplify right side
    5,286.17x = 12,597,929.00
  5. Step 5: Solve for x
    x = 12,597,929.00/5,286.17
  6. Step 6: Final answer
    x = 2,383.19

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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.