Home / 4,131.77-6,197.66-1,011.78

Finding the Fourth Proportional to 4,131.77, 6,197.66 and 1,011.78

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Solution

The fourth proportional to 4,131.77, 6,197.66 and 1,011.78 is: 1,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.77 : 6,197.66 = 1,011.78 : x
  2. Step 2: Convert to fraction form
    4,131.77/6,197.66 = 1,011.78/x
  3. Step 3: Cross multiply
    4,131.77x = 6,197.66 × 1,011.78
  4. Step 4: Simplify right side
    4,131.77x = 6,270,663.38
  5. Step 5: Solve for x
    x = 6,270,663.38/4,131.77
  6. Step 6: Final answer
    x = 1,517.67

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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.