Home / 5,531.92-8,299.40-1,636.31

Finding the Fourth Proportional to 5,531.92, 8,299.40 and 1,636.31

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Solution

The fourth proportional to 5,531.92, 8,299.40 and 1,636.31 is: 2,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.92 : 8,299.40 = 1,636.31 : x
  2. Step 2: Convert to fraction form
    5,531.92/8,299.40 = 1,636.31/x
  3. Step 3: Cross multiply
    5,531.92x = 8,299.40 × 1,636.31
  4. Step 4: Simplify right side
    5,531.92x = 13,580,403.78
  5. Step 5: Solve for x
    x = 13,580,403.78/5,531.92
  6. Step 6: Final answer
    x = 2,454.92

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1.5x scale

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.