Home / 4,149.74-6,223.94-1,147.07

Finding the Fourth Proportional to 4,149.74, 6,223.94 and 1,147.07

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Solution

The fourth proportional to 4,149.74, 6,223.94 and 1,147.07 is: 1,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.74 : 6,223.94 = 1,147.07 : x
  2. Step 2: Convert to fraction form
    4,149.74/6,223.94 = 1,147.07/x
  3. Step 3: Cross multiply
    4,149.74x = 6,223.94 × 1,147.07
  4. Step 4: Simplify right side
    4,149.74x = 7,139,280.42
  5. Step 5: Solve for x
    x = 7,139,280.42/4,149.74
  6. Step 6: Final answer
    x = 1,720.42

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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.