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Finding the Fourth Proportional to 5,363.28, 8,045.73 and 1,899.72

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Solution

The fourth proportional to 5,363.28, 8,045.73 and 1,899.72 is: 2,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.28 : 8,045.73 = 1,899.72 : x
  2. Step 2: Convert to fraction form
    5,363.28/8,045.73 = 1,899.72/x
  3. Step 3: Cross multiply
    5,363.28x = 8,045.73 × 1,899.72
  4. Step 4: Simplify right side
    5,363.28x = 15,284,634.20
  5. Step 5: Solve for x
    x = 15,284,634.20/5,363.28
  6. Step 6: Final answer
    x = 2,849.87

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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.