Home / 5,939.71-8,197.41-3,421.92

Finding the Fourth Proportional to 5,939.71, 8,197.41 and 3,421.92

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Solution

The fourth proportional to 5,939.71, 8,197.41 and 3,421.92 is: 4,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.71 : 8,197.41 = 3,421.92 : x
  2. Step 2: Convert to fraction form
    5,939.71/8,197.41 = 3,421.92/x
  3. Step 3: Cross multiply
    5,939.71x = 8,197.41 × 3,421.92
  4. Step 4: Simplify right side
    5,939.71x = 28,050,881.23
  5. Step 5: Solve for x
    x = 28,050,881.23/5,939.71
  6. Step 6: Final answer
    x = 4,722.60

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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.