Home / 5,392.40-8,089.20-3,744.86

Finding the Fourth Proportional to 5,392.40, 8,089.20 and 3,744.86

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Solution

The fourth proportional to 5,392.40, 8,089.20 and 3,744.86 is: 5,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.40 : 8,089.20 = 3,744.86 : x
  2. Step 2: Convert to fraction form
    5,392.40/8,089.20 = 3,744.86/x
  3. Step 3: Cross multiply
    5,392.40x = 8,089.20 × 3,744.86
  4. Step 4: Simplify right side
    5,392.40x = 30,292,921.51
  5. Step 5: Solve for x
    x = 30,292,921.51/5,392.40
  6. Step 6: Final answer
    x = 5,617.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.