Home / 4,139.80-5,720.16-3,262.60

Finding the Fourth Proportional to 4,139.80, 5,720.16 and 3,262.60

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Solution

The fourth proportional to 4,139.80, 5,720.16 and 3,262.60 is: 4,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.80 : 5,720.16 = 3,262.60 : x
  2. Step 2: Convert to fraction form
    4,139.80/5,720.16 = 3,262.60/x
  3. Step 3: Cross multiply
    4,139.80x = 5,720.16 × 3,262.60
  4. Step 4: Simplify right side
    4,139.80x = 18,662,594.02
  5. Step 5: Solve for x
    x = 18,662,594.02/4,139.80
  6. Step 6: Final answer
    x = 4,508.09

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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.