Home / 5,088.64-7,633.78-2,491.78

Finding the Fourth Proportional to 5,088.64, 7,633.78 and 2,491.78

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Solution

The fourth proportional to 5,088.64, 7,633.78 and 2,491.78 is: 3,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.64 : 7,633.78 = 2,491.78 : x
  2. Step 2: Convert to fraction form
    5,088.64/7,633.78 = 2,491.78/x
  3. Step 3: Cross multiply
    5,088.64x = 7,633.78 × 2,491.78
  4. Step 4: Simplify right side
    5,088.64x = 19,021,700.33
  5. Step 5: Solve for x
    x = 19,021,700.33/5,088.64
  6. Step 6: Final answer
    x = 3,738.07

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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.