Home / 5,660.80-8,486.36-2,148.84

Finding the Fourth Proportional to 5,660.80, 8,486.36 and 2,148.84

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Solution

The fourth proportional to 5,660.80, 8,486.36 and 2,148.84 is: 3,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.80 : 8,486.36 = 2,148.84 : x
  2. Step 2: Convert to fraction form
    5,660.80/8,486.36 = 2,148.84/x
  3. Step 3: Cross multiply
    5,660.80x = 8,486.36 × 2,148.84
  4. Step 4: Simplify right side
    5,660.80x = 18,235,829.82
  5. Step 5: Solve for x
    x = 18,235,829.82/5,660.80
  6. Step 6: Final answer
    x = 3,221.42

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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.