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Finding the Fourth Proportional to 8,793.05, 13,187.51 and 2,551.42

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Solution

The fourth proportional to 8,793.05, 13,187.51 and 2,551.42 is: 3,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.05 : 13,187.51 = 2,551.42 : x
  2. Step 2: Convert to fraction form
    8,793.05/13,187.51 = 2,551.42/x
  3. Step 3: Cross multiply
    8,793.05x = 13,187.51 × 2,551.42
  4. Step 4: Simplify right side
    8,793.05x = 33,646,798.07
  5. Step 5: Solve for x
    x = 33,646,798.07/8,793.05
  6. Step 6: Final answer
    x = 3,826.52

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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.