Home / 4,819.20-6,652.14-2,830.38

Finding the Fourth Proportional to 4,819.20, 6,652.14 and 2,830.38

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Solution

The fourth proportional to 4,819.20, 6,652.14 and 2,830.38 is: 3,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.20 : 6,652.14 = 2,830.38 : x
  2. Step 2: Convert to fraction form
    4,819.20/6,652.14 = 2,830.38/x
  3. Step 3: Cross multiply
    4,819.20x = 6,652.14 × 2,830.38
  4. Step 4: Simplify right side
    4,819.20x = 18,828,084.01
  5. Step 5: Solve for x
    x = 18,828,084.01/4,819.20
  6. Step 6: Final answer
    x = 3,906.89

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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.