Home / 5,819.04-8,012.76-5,212.20

Finding the Fourth Proportional to 5,819.04, 8,012.76 and 5,212.20

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Solution

The fourth proportional to 5,819.04, 8,012.76 and 5,212.20 is: 7,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.04 : 8,012.76 = 5,212.20 : x
  2. Step 2: Convert to fraction form
    5,819.04/8,012.76 = 5,212.20/x
  3. Step 3: Cross multiply
    5,819.04x = 8,012.76 × 5,212.20
  4. Step 4: Simplify right side
    5,819.04x = 41,764,107.67
  5. Step 5: Solve for x
    x = 41,764,107.67/5,819.04
  6. Step 6: Final answer
    x = 7,177.15

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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.