Home / 5,500.91-8,240.80-4,392.52

Finding the Fourth Proportional to 5,500.91, 8,240.80 and 4,392.52

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Solution

The fourth proportional to 5,500.91, 8,240.80 and 4,392.52 is: 6,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.91 : 8,240.80 = 4,392.52 : x
  2. Step 2: Convert to fraction form
    5,500.91/8,240.80 = 4,392.52/x
  3. Step 3: Cross multiply
    5,500.91x = 8,240.80 × 4,392.52
  4. Step 4: Simplify right side
    5,500.91x = 36,197,847.23
  5. Step 5: Solve for x
    x = 36,197,847.23/5,500.91
  6. Step 6: Final answer
    x = 6,580.34

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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.