Home / 4,867.44-7,289.60-2,521.20

Finding the Fourth Proportional to 4,867.44, 7,289.60 and 2,521.20

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Solution

The fourth proportional to 4,867.44, 7,289.60 and 2,521.20 is: 3,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.44 : 7,289.60 = 2,521.20 : x
  2. Step 2: Convert to fraction form
    4,867.44/7,289.60 = 2,521.20/x
  3. Step 3: Cross multiply
    4,867.44x = 7,289.60 × 2,521.20
  4. Step 4: Simplify right side
    4,867.44x = 18,378,539.52
  5. Step 5: Solve for x
    x = 18,378,539.52/4,867.44
  6. Step 6: Final answer
    x = 3,775.81

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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.