Home / 5,392.51-8,078.39-3,306.43

Finding the Fourth Proportional to 5,392.51, 8,078.39 and 3,306.43

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Solution

The fourth proportional to 5,392.51, 8,078.39 and 3,306.43 is: 4,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.51 : 8,078.39 = 3,306.43 : x
  2. Step 2: Convert to fraction form
    5,392.51/8,078.39 = 3,306.43/x
  3. Step 3: Cross multiply
    5,392.51x = 8,078.39 × 3,306.43
  4. Step 4: Simplify right side
    5,392.51x = 26,710,591.57
  5. Step 5: Solve for x
    x = 26,710,591.57/5,392.51
  6. Step 6: Final answer
    x = 4,953.28

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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.