Home / 5,500.74-8,240.46-3,421.56

Finding the Fourth Proportional to 5,500.74, 8,240.46 and 3,421.56

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Solution

The fourth proportional to 5,500.74, 8,240.46 and 3,421.56 is: 5,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.74 : 8,240.46 = 3,421.56 : x
  2. Step 2: Convert to fraction form
    5,500.74/8,240.46 = 3,421.56/x
  3. Step 3: Cross multiply
    5,500.74x = 8,240.46 × 3,421.56
  4. Step 4: Simplify right side
    5,500.74x = 28,195,228.32
  5. Step 5: Solve for x
    x = 28,195,228.32/5,500.74
  6. Step 6: Final answer
    x = 5,125.72

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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.