Home / 7,436.63-11,154.95-2,819.63

Finding the Fourth Proportional to 7,436.63, 11,154.95 and 2,819.63

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Solution

The fourth proportional to 7,436.63, 11,154.95 and 2,819.63 is: 4,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.63 : 11,154.95 = 2,819.63 : x
  2. Step 2: Convert to fraction form
    7,436.63/11,154.95 = 2,819.63/x
  3. Step 3: Cross multiply
    7,436.63x = 11,154.95 × 2,819.63
  4. Step 4: Simplify right side
    7,436.63x = 31,452,761.80
  5. Step 5: Solve for x
    x = 31,452,761.80/7,436.63
  6. Step 6: Final answer
    x = 4,229.44

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Double scale
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Similar ratio
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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.