Home / 4,127.68-6,193.80-1,819.12

Finding the Fourth Proportional to 4,127.68, 6,193.80 and 1,819.12

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Solution

The fourth proportional to 4,127.68, 6,193.80 and 1,819.12 is: 2,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.68 : 6,193.80 = 1,819.12 : x
  2. Step 2: Convert to fraction form
    4,127.68/6,193.80 = 1,819.12/x
  3. Step 3: Cross multiply
    4,127.68x = 6,193.80 × 1,819.12
  4. Step 4: Simplify right side
    4,127.68x = 11,267,265.46
  5. Step 5: Solve for x
    x = 11,267,265.46/4,127.68
  6. Step 6: Final answer
    x = 2,729.68

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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.