Home / 4,819.52-6,643.68-3,769.76

Finding the Fourth Proportional to 4,819.52, 6,643.68 and 3,769.76

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Solution

The fourth proportional to 4,819.52, 6,643.68 and 3,769.76 is: 5,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.52 : 6,643.68 = 3,769.76 : x
  2. Step 2: Convert to fraction form
    4,819.52/6,643.68 = 3,769.76/x
  3. Step 3: Cross multiply
    4,819.52x = 6,643.68 × 3,769.76
  4. Step 4: Simplify right side
    4,819.52x = 25,045,079.12
  5. Step 5: Solve for x
    x = 25,045,079.12/4,819.52
  6. Step 6: Final answer
    x = 5,196.59

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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.