Home / 4,257.11-6,385.67-1,179.11

Finding the Fourth Proportional to 4,257.11, 6,385.67 and 1,179.11

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Solution

The fourth proportional to 4,257.11, 6,385.67 and 1,179.11 is: 1,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.11 : 6,385.67 = 1,179.11 : x
  2. Step 2: Convert to fraction form
    4,257.11/6,385.67 = 1,179.11/x
  3. Step 3: Cross multiply
    4,257.11x = 6,385.67 × 1,179.11
  4. Step 4: Simplify right side
    4,257.11x = 7,529,407.35
  5. Step 5: Solve for x
    x = 7,529,407.35/4,257.11
  6. Step 6: Final answer
    x = 1,768.67

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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.