Home / 4,089.28-6,133.92-1,011.28

Finding the Fourth Proportional to 4,089.28, 6,133.92 and 1,011.28

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Solution

The fourth proportional to 4,089.28, 6,133.92 and 1,011.28 is: 1,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.28 : 6,133.92 = 1,011.28 : x
  2. Step 2: Convert to fraction form
    4,089.28/6,133.92 = 1,011.28/x
  3. Step 3: Cross multiply
    4,089.28x = 6,133.92 × 1,011.28
  4. Step 4: Simplify right side
    4,089.28x = 6,203,110.62
  5. Step 5: Solve for x
    x = 6,203,110.62/4,089.28
  6. Step 6: Final answer
    x = 1,516.92

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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.