Home / 5,551.58-7,660.48-3,161.86

Finding the Fourth Proportional to 5,551.58, 7,660.48 and 3,161.86

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Solution

The fourth proportional to 5,551.58, 7,660.48 and 3,161.86 is: 4,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.58 : 7,660.48 = 3,161.86 : x
  2. Step 2: Convert to fraction form
    5,551.58/7,660.48 = 3,161.86/x
  3. Step 3: Cross multiply
    5,551.58x = 7,660.48 × 3,161.86
  4. Step 4: Simplify right side
    5,551.58x = 24,221,365.29
  5. Step 5: Solve for x
    x = 24,221,365.29/5,551.58
  6. Step 6: Final answer
    x = 4,362.97

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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.