Home / 4,819.68-6,651.12-2,829.84

Finding the Fourth Proportional to 4,819.68, 6,651.12 and 2,829.84

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Solution

The fourth proportional to 4,819.68, 6,651.12 and 2,829.84 is: 3,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.68 : 6,651.12 = 2,829.84 : x
  2. Step 2: Convert to fraction form
    4,819.68/6,651.12 = 2,829.84/x
  3. Step 3: Cross multiply
    4,819.68x = 6,651.12 × 2,829.84
  4. Step 4: Simplify right side
    4,819.68x = 18,821,605.42
  5. Step 5: Solve for x
    x = 18,821,605.42/4,819.68
  6. Step 6: Final answer
    x = 3,905.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.