Home / 4,197.48-6,290.70-3,149.22

Finding the Fourth Proportional to 4,197.48, 6,290.70 and 3,149.22

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Solution

The fourth proportional to 4,197.48, 6,290.70 and 3,149.22 is: 4,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.48 : 6,290.70 = 3,149.22 : x
  2. Step 2: Convert to fraction form
    4,197.48/6,290.70 = 3,149.22/x
  3. Step 3: Cross multiply
    4,197.48x = 6,290.70 × 3,149.22
  4. Step 4: Simplify right side
    4,197.48x = 19,810,798.25
  5. Step 5: Solve for x
    x = 19,810,798.25/4,197.48
  6. Step 6: Final answer
    x = 4,719.69

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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.