Home / 5,286.35-7,929.54-1,588.57

Finding the Fourth Proportional to 5,286.35, 7,929.54 and 1,588.57

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Solution

The fourth proportional to 5,286.35, 7,929.54 and 1,588.57 is: 2,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.35 : 7,929.54 = 1,588.57 : x
  2. Step 2: Convert to fraction form
    5,286.35/7,929.54 = 1,588.57/x
  3. Step 3: Cross multiply
    5,286.35x = 7,929.54 × 1,588.57
  4. Step 4: Simplify right side
    5,286.35x = 12,596,609.53
  5. Step 5: Solve for x
    x = 12,596,609.53/5,286.35
  6. Step 6: Final answer
    x = 2,382.85

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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.