Home / 5,286.46-7,929.71-1,588.70

Finding the Fourth Proportional to 5,286.46, 7,929.71 and 1,588.70

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Solution

The fourth proportional to 5,286.46, 7,929.71 and 1,588.70 is: 2,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.46 : 7,929.71 = 1,588.70 : x
  2. Step 2: Convert to fraction form
    5,286.46/7,929.71 = 1,588.70/x
  3. Step 3: Cross multiply
    5,286.46x = 7,929.71 × 1,588.70
  4. Step 4: Simplify right side
    5,286.46x = 12,597,930.28
  5. Step 5: Solve for x
    x = 12,597,930.28/5,286.46
  6. Step 6: Final answer
    x = 2,383.06

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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.