Home / 5,375.81-8,061.65-2,088.47

Finding the Fourth Proportional to 5,375.81, 8,061.65 and 2,088.47

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Solution

The fourth proportional to 5,375.81, 8,061.65 and 2,088.47 is: 3,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.81 : 8,061.65 = 2,088.47 : x
  2. Step 2: Convert to fraction form
    5,375.81/8,061.65 = 2,088.47/x
  3. Step 3: Cross multiply
    5,375.81x = 8,061.65 × 2,088.47
  4. Step 4: Simplify right side
    5,375.81x = 16,836,514.18
  5. Step 5: Solve for x
    x = 16,836,514.18/5,375.81
  6. Step 6: Final answer
    x = 3,131.90

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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.