Home / 5,288.38-7,933.02-1,392.76

Finding the Fourth Proportional to 5,288.38, 7,933.02 and 1,392.76

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Solution

The fourth proportional to 5,288.38, 7,933.02 and 1,392.76 is: 2,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.38 : 7,933.02 = 1,392.76 : x
  2. Step 2: Convert to fraction form
    5,288.38/7,933.02 = 1,392.76/x
  3. Step 3: Cross multiply
    5,288.38x = 7,933.02 × 1,392.76
  4. Step 4: Simplify right side
    5,288.38x = 11,048,792.94
  5. Step 5: Solve for x
    x = 11,048,792.94/5,288.38
  6. Step 6: Final answer
    x = 2,089.26

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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.