Home / 3,937.98-5,860.49-3,806.74

Finding the Fourth Proportional to 3,937.98, 5,860.49 and 3,806.74

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Solution

The fourth proportional to 3,937.98, 5,860.49 and 3,806.74 is: 5,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.98 : 5,860.49 = 3,806.74 : x
  2. Step 2: Convert to fraction form
    3,937.98/5,860.49 = 3,806.74/x
  3. Step 3: Cross multiply
    3,937.98x = 5,860.49 × 3,806.74
  4. Step 4: Simplify right side
    3,937.98x = 22,309,342.67
  5. Step 5: Solve for x
    x = 22,309,342.67/3,937.98
  6. Step 6: Final answer
    x = 5,665.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.