Home / 5,512.38-8,266.51-1,813.62

Finding the Fourth Proportional to 5,512.38, 8,266.51 and 1,813.62

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Solution

The fourth proportional to 5,512.38, 8,266.51 and 1,813.62 is: 2,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.38 : 8,266.51 = 1,813.62 : x
  2. Step 2: Convert to fraction form
    5,512.38/8,266.51 = 1,813.62/x
  3. Step 3: Cross multiply
    5,512.38x = 8,266.51 × 1,813.62
  4. Step 4: Simplify right side
    5,512.38x = 14,992,307.87
  5. Step 5: Solve for x
    x = 14,992,307.87/5,512.38
  6. Step 6: Final answer
    x = 2,719.75

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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.