Home / 6,790.28-10,198.86-4,127.36

Finding the Fourth Proportional to 6,790.28, 10,198.86 and 4,127.36

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Solution

The fourth proportional to 6,790.28, 10,198.86 and 4,127.36 is: 6,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.28 : 10,198.86 = 4,127.36 : x
  2. Step 2: Convert to fraction form
    6,790.28/10,198.86 = 4,127.36/x
  3. Step 3: Cross multiply
    6,790.28x = 10,198.86 × 4,127.36
  4. Step 4: Simplify right side
    6,790.28x = 42,094,366.81
  5. Step 5: Solve for x
    x = 42,094,366.81/6,790.28
  6. Step 6: Final answer
    x = 6,199.21

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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.