Home / 4,131.28-6,196.92-1,053.28

Finding the Fourth Proportional to 4,131.28, 6,196.92 and 1,053.28

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Solution

The fourth proportional to 4,131.28, 6,196.92 and 1,053.28 is: 1,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.28 : 6,196.92 = 1,053.28 : x
  2. Step 2: Convert to fraction form
    4,131.28/6,196.92 = 1,053.28/x
  3. Step 3: Cross multiply
    4,131.28x = 6,196.92 × 1,053.28
  4. Step 4: Simplify right side
    4,131.28x = 6,527,101.62
  5. Step 5: Solve for x
    x = 6,527,101.62/4,131.28
  6. Step 6: Final answer
    x = 1,579.92

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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.