Home / 4,623.39-6,934.98-3,138.91

Finding the Fourth Proportional to 4,623.39, 6,934.98 and 3,138.91

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Solution

The fourth proportional to 4,623.39, 6,934.98 and 3,138.91 is: 4,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.39 : 6,934.98 = 3,138.91 : x
  2. Step 2: Convert to fraction form
    4,623.39/6,934.98 = 3,138.91/x
  3. Step 3: Cross multiply
    4,623.39x = 6,934.98 × 3,138.91
  4. Step 4: Simplify right side
    4,623.39x = 21,768,278.07
  5. Step 5: Solve for x
    x = 21,768,278.07/4,623.39
  6. Step 6: Final answer
    x = 4,708.29

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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.