Home / 5,479.20-7,558.44-4,150.61

Finding the Fourth Proportional to 5,479.20, 7,558.44 and 4,150.61

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Solution

The fourth proportional to 5,479.20, 7,558.44 and 4,150.61 is: 5,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.20 : 7,558.44 = 4,150.61 : x
  2. Step 2: Convert to fraction form
    5,479.20/7,558.44 = 4,150.61/x
  3. Step 3: Cross multiply
    5,479.20x = 7,558.44 × 4,150.61
  4. Step 4: Simplify right side
    5,479.20x = 31,372,098.86
  5. Step 5: Solve for x
    x = 31,372,098.86/5,479.20
  6. Step 6: Final answer
    x = 5,725.67

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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.