Home / 6,670.91-9,206.57-3,838.41

Finding the Fourth Proportional to 6,670.91, 9,206.57 and 3,838.41

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Solution

The fourth proportional to 6,670.91, 9,206.57 and 3,838.41 is: 5,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.91 : 9,206.57 = 3,838.41 : x
  2. Step 2: Convert to fraction form
    6,670.91/9,206.57 = 3,838.41/x
  3. Step 3: Cross multiply
    6,670.91x = 9,206.57 × 3,838.41
  4. Step 4: Simplify right side
    6,670.91x = 35,338,599.95
  5. Step 5: Solve for x
    x = 35,338,599.95/6,670.91
  6. Step 6: Final answer
    x = 5,297.42

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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.