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Finding the Fourth Proportional to 8,293.60, 12,441.54 and 3,027.92

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Solution

The fourth proportional to 8,293.60, 12,441.54 and 3,027.92 is: 4,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.60 : 12,441.54 = 3,027.92 : x
  2. Step 2: Convert to fraction form
    8,293.60/12,441.54 = 3,027.92/x
  3. Step 3: Cross multiply
    8,293.60x = 12,441.54 × 3,027.92
  4. Step 4: Simplify right side
    8,293.60x = 37,671,987.80
  5. Step 5: Solve for x
    x = 37,671,987.80/8,293.60
  6. Step 6: Final answer
    x = 4,542.30

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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.