Home / 5,842.40-8,062.64-3,189.92

Finding the Fourth Proportional to 5,842.40, 8,062.64 and 3,189.92

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Solution

The fourth proportional to 5,842.40, 8,062.64 and 3,189.92 is: 4,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.40 : 8,062.64 = 3,189.92 : x
  2. Step 2: Convert to fraction form
    5,842.40/8,062.64 = 3,189.92/x
  3. Step 3: Cross multiply
    5,842.40x = 8,062.64 × 3,189.92
  4. Step 4: Simplify right side
    5,842.40x = 25,719,176.59
  5. Step 5: Solve for x
    x = 25,719,176.59/5,842.40
  6. Step 6: Final answer
    x = 4,402.16

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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.