Home / 6,212.83-8,569.28-3,819.67

Finding the Fourth Proportional to 6,212.83, 8,569.28 and 3,819.67

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Solution

The fourth proportional to 6,212.83, 8,569.28 and 3,819.67 is: 5,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.83 : 8,569.28 = 3,819.67 : x
  2. Step 2: Convert to fraction form
    6,212.83/8,569.28 = 3,819.67/x
  3. Step 3: Cross multiply
    6,212.83x = 8,569.28 × 3,819.67
  4. Step 4: Simplify right side
    6,212.83x = 32,731,809.76
  5. Step 5: Solve for x
    x = 32,731,809.76/6,212.83
  6. Step 6: Final answer
    x = 5,268.42

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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.