Home / 5,349.20-8,023.79-2,271.20

Finding the Fourth Proportional to 5,349.20, 8,023.79 and 2,271.20

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Solution

The fourth proportional to 5,349.20, 8,023.79 and 2,271.20 is: 3,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.20 : 8,023.79 = 2,271.20 : x
  2. Step 2: Convert to fraction form
    5,349.20/8,023.79 = 2,271.20/x
  3. Step 3: Cross multiply
    5,349.20x = 8,023.79 × 2,271.20
  4. Step 4: Simplify right side
    5,349.20x = 18,223,580.37
  5. Step 5: Solve for x
    x = 18,223,580.37/5,349.20
  6. Step 6: Final answer
    x = 3,406.79

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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.