Home / 3,747.56-5,622.14-1,115.07

Finding the Fourth Proportional to 3,747.56, 5,622.14 and 1,115.07

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Solution

The fourth proportional to 3,747.56, 5,622.14 and 1,115.07 is: 1,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.56 : 5,622.14 = 1,115.07 : x
  2. Step 2: Convert to fraction form
    3,747.56/5,622.14 = 1,115.07/x
  3. Step 3: Cross multiply
    3,747.56x = 5,622.14 × 1,115.07
  4. Step 4: Simplify right side
    3,747.56x = 6,269,079.65
  5. Step 5: Solve for x
    x = 6,269,079.65/3,747.56
  6. Step 6: Final answer
    x = 1,672.84

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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.