Home / 5,531.81-8,293.21-2,572.12

Finding the Fourth Proportional to 5,531.81, 8,293.21 and 2,572.12

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Solution

The fourth proportional to 5,531.81, 8,293.21 and 2,572.12 is: 3,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.81 : 8,293.21 = 2,572.12 : x
  2. Step 2: Convert to fraction form
    5,531.81/8,293.21 = 2,572.12/x
  3. Step 3: Cross multiply
    5,531.81x = 8,293.21 × 2,572.12
  4. Step 4: Simplify right side
    5,531.81x = 21,331,076.98
  5. Step 5: Solve for x
    x = 21,331,076.98/5,531.81
  6. Step 6: Final answer
    x = 3,856.08

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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.