Home / 6,819.68-10,229.52-2,140.10

Finding the Fourth Proportional to 6,819.68, 10,229.52 and 2,140.10

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Solution

The fourth proportional to 6,819.68, 10,229.52 and 2,140.10 is: 3,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.68 : 10,229.52 = 2,140.10 : x
  2. Step 2: Convert to fraction form
    6,819.68/10,229.52 = 2,140.10/x
  3. Step 3: Cross multiply
    6,819.68x = 10,229.52 × 2,140.10
  4. Step 4: Simplify right side
    6,819.68x = 21,892,144.60
  5. Step 5: Solve for x
    x = 21,892,144.60/6,819.68
  6. Step 6: Final answer
    x = 3,210.14

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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.