Home / 5,531.21-8,296.71-1,371.23

Finding the Fourth Proportional to 5,531.21, 8,296.71 and 1,371.23

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Solution

The fourth proportional to 5,531.21, 8,296.71 and 1,371.23 is: 2,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.21 : 8,296.71 = 1,371.23 : x
  2. Step 2: Convert to fraction form
    5,531.21/8,296.71 = 1,371.23/x
  3. Step 3: Cross multiply
    5,531.21x = 8,296.71 × 1,371.23
  4. Step 4: Simplify right side
    5,531.21x = 11,376,697.65
  5. Step 5: Solve for x
    x = 11,376,697.65/5,531.21
  6. Step 6: Final answer
    x = 2,056.82

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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.