Home / 4,167.30-5,739.21-3,608.40

Finding the Fourth Proportional to 4,167.30, 5,739.21 and 3,608.40

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Solution

The fourth proportional to 4,167.30, 5,739.21 and 3,608.40 is: 4,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.30 : 5,739.21 = 3,608.40 : x
  2. Step 2: Convert to fraction form
    4,167.30/5,739.21 = 3,608.40/x
  3. Step 3: Cross multiply
    4,167.30x = 5,739.21 × 3,608.40
  4. Step 4: Simplify right side
    4,167.30x = 20,709,365.36
  5. Step 5: Solve for x
    x = 20,709,365.36/4,167.30
  6. Step 6: Final answer
    x = 4,969.49

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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.