Home / 5,513.19-8,269.78-3,877.05

Finding the Fourth Proportional to 5,513.19, 8,269.78 and 3,877.05

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Solution

The fourth proportional to 5,513.19, 8,269.78 and 3,877.05 is: 5,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.19 : 8,269.78 = 3,877.05 : x
  2. Step 2: Convert to fraction form
    5,513.19/8,269.78 = 3,877.05/x
  3. Step 3: Cross multiply
    5,513.19x = 8,269.78 × 3,877.05
  4. Step 4: Simplify right side
    5,513.19x = 32,062,350.55
  5. Step 5: Solve for x
    x = 32,062,350.55/5,513.19
  6. Step 6: Final answer
    x = 5,815.57

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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.