Home / 4,255.11-6,382.67-1,177.11

Finding the Fourth Proportional to 4,255.11, 6,382.67 and 1,177.11

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Solution

The fourth proportional to 4,255.11, 6,382.67 and 1,177.11 is: 1,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.11 : 6,382.67 = 1,177.11 : x
  2. Step 2: Convert to fraction form
    4,255.11/6,382.67 = 1,177.11/x
  3. Step 3: Cross multiply
    4,255.11x = 6,382.67 × 1,177.11
  4. Step 4: Simplify right side
    4,255.11x = 7,513,098.80
  5. Step 5: Solve for x
    x = 7,513,098.80/4,255.11
  6. Step 6: Final answer
    x = 1,765.67

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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.