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Finding the Fourth Proportional to 10,561.10, 14,575.02 and 5,845.40

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Solution

The fourth proportional to 10,561.10, 14,575.02 and 5,845.40 is: 8,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.10 : 14,575.02 = 5,845.40 : x
  2. Step 2: Convert to fraction form
    10,561.10/14,575.02 = 5,845.40/x
  3. Step 3: Cross multiply
    10,561.10x = 14,575.02 × 5,845.40
  4. Step 4: Simplify right side
    10,561.10x = 85,196,821.91
  5. Step 5: Solve for x
    x = 85,196,821.91/10,561.10
  6. Step 6: Final answer
    x = 8,067.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.