Home / 5,297.60-7,944.65-1,786.66

Finding the Fourth Proportional to 5,297.60, 7,944.65 and 1,786.66

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Solution

The fourth proportional to 5,297.60, 7,944.65 and 1,786.66 is: 2,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.60 : 7,944.65 = 1,786.66 : x
  2. Step 2: Convert to fraction form
    5,297.60/7,944.65 = 1,786.66/x
  3. Step 3: Cross multiply
    5,297.60x = 7,944.65 × 1,786.66
  4. Step 4: Simplify right side
    5,297.60x = 14,194,388.37
  5. Step 5: Solve for x
    x = 14,194,388.37/5,297.60
  6. Step 6: Final answer
    x = 2,679.40

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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.