Home / 7,997.60-11,982.08-4,875.96

Finding the Fourth Proportional to 7,997.60, 11,982.08 and 4,875.96

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Solution

The fourth proportional to 7,997.60, 11,982.08 and 4,875.96 is: 7,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.60 : 11,982.08 = 4,875.96 : x
  2. Step 2: Convert to fraction form
    7,997.60/11,982.08 = 4,875.96/x
  3. Step 3: Cross multiply
    7,997.60x = 11,982.08 × 4,875.96
  4. Step 4: Simplify right side
    7,997.60x = 58,424,142.80
  5. Step 5: Solve for x
    x = 58,424,142.80/7,997.60
  6. Step 6: Final answer
    x = 7,305.21

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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.