Home / 4,191.24-6,286.38-1,113.48

Finding the Fourth Proportional to 4,191.24, 6,286.38 and 1,113.48

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Solution

The fourth proportional to 4,191.24, 6,286.38 and 1,113.48 is: 1,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.24 : 6,286.38 = 1,113.48 : x
  2. Step 2: Convert to fraction form
    4,191.24/6,286.38 = 1,113.48/x
  3. Step 3: Cross multiply
    4,191.24x = 6,286.38 × 1,113.48
  4. Step 4: Simplify right side
    4,191.24x = 6,999,758.40
  5. Step 5: Solve for x
    x = 6,999,758.40/4,191.24
  6. Step 6: Final answer
    x = 1,670.09

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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.