Home / 7,982.37-11,015.55-4,445.61

Finding the Fourth Proportional to 7,982.37, 11,015.55 and 4,445.61

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Solution

The fourth proportional to 7,982.37, 11,015.55 and 4,445.61 is: 6,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.37 : 11,015.55 = 4,445.61 : x
  2. Step 2: Convert to fraction form
    7,982.37/11,015.55 = 4,445.61/x
  3. Step 3: Cross multiply
    7,982.37x = 11,015.55 × 4,445.61
  4. Step 4: Simplify right side
    7,982.37x = 48,970,839.24
  5. Step 5: Solve for x
    x = 48,970,839.24/7,982.37
  6. Step 6: Final answer
    x = 6,134.87

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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.