Home / 4,430.60-6,119.70-3,249.80

Finding the Fourth Proportional to 4,430.60, 6,119.70 and 3,249.80

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Solution

The fourth proportional to 4,430.60, 6,119.70 and 3,249.80 is: 4,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.60 : 6,119.70 = 3,249.80 : x
  2. Step 2: Convert to fraction form
    4,430.60/6,119.70 = 3,249.80/x
  3. Step 3: Cross multiply
    4,430.60x = 6,119.70 × 3,249.80
  4. Step 4: Simplify right side
    4,430.60x = 19,887,801.06
  5. Step 5: Solve for x
    x = 19,887,801.06/4,430.60
  6. Step 6: Final answer
    x = 4,488.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.