Home / 4,777.77-7,164.66-1,854.39

Finding the Fourth Proportional to 4,777.77, 7,164.66 and 1,854.39

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Solution

The fourth proportional to 4,777.77, 7,164.66 and 1,854.39 is: 2,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.77 : 7,164.66 = 1,854.39 : x
  2. Step 2: Convert to fraction form
    4,777.77/7,164.66 = 1,854.39/x
  3. Step 3: Cross multiply
    4,777.77x = 7,164.66 × 1,854.39
  4. Step 4: Simplify right side
    4,777.77x = 13,286,073.86
  5. Step 5: Solve for x
    x = 13,286,073.86/4,777.77
  6. Step 6: Final answer
    x = 2,780.81

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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.