Home / 5,464.45-8,200.05-2,177.20

Finding the Fourth Proportional to 5,464.45, 8,200.05 and 2,177.20

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Solution

The fourth proportional to 5,464.45, 8,200.05 and 2,177.20 is: 3,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.45 : 8,200.05 = 2,177.20 : x
  2. Step 2: Convert to fraction form
    5,464.45/8,200.05 = 2,177.20/x
  3. Step 3: Cross multiply
    5,464.45x = 8,200.05 × 2,177.20
  4. Step 4: Simplify right side
    5,464.45x = 17,853,148.86
  5. Step 5: Solve for x
    x = 17,853,148.86/5,464.45
  6. Step 6: Final answer
    x = 3,267.14

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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.