Home / 5,680.11-7,838.82-3,692.37

Finding the Fourth Proportional to 5,680.11, 7,838.82 and 3,692.37

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Solution

The fourth proportional to 5,680.11, 7,838.82 and 3,692.37 is: 5,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.11 : 7,838.82 = 3,692.37 : x
  2. Step 2: Convert to fraction form
    5,680.11/7,838.82 = 3,692.37/x
  3. Step 3: Cross multiply
    5,680.11x = 7,838.82 × 3,692.37
  4. Step 4: Simplify right side
    5,680.11x = 28,943,823.80
  5. Step 5: Solve for x
    x = 28,943,823.80/5,680.11
  6. Step 6: Final answer
    x = 5,095.64

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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.