Home / 4,860.48-7,280.88-3,212.88

Finding the Fourth Proportional to 4,860.48, 7,280.88 and 3,212.88

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Solution

The fourth proportional to 4,860.48, 7,280.88 and 3,212.88 is: 4,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.48 : 7,280.88 = 3,212.88 : x
  2. Step 2: Convert to fraction form
    4,860.48/7,280.88 = 3,212.88/x
  3. Step 3: Cross multiply
    4,860.48x = 7,280.88 × 3,212.88
  4. Step 4: Simplify right side
    4,860.48x = 23,392,593.73
  5. Step 5: Solve for x
    x = 23,392,593.73/4,860.48
  6. Step 6: Final answer
    x = 4,812.82

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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.