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Finding the Fourth Proportional to 8,703.66, 13,027.95 and 5,579.49

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Solution

The fourth proportional to 8,703.66, 13,027.95 and 5,579.49 is: 8,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.66 : 13,027.95 = 5,579.49 : x
  2. Step 2: Convert to fraction form
    8,703.66/13,027.95 = 5,579.49/x
  3. Step 3: Cross multiply
    8,703.66x = 13,027.95 × 5,579.49
  4. Step 4: Simplify right side
    8,703.66x = 72,689,316.75
  5. Step 5: Solve for x
    x = 72,689,316.75/8,703.66
  6. Step 6: Final answer
    x = 8,351.58

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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.