Home / 6,867.91-9,477.98-3,884.07

Finding the Fourth Proportional to 6,867.91, 9,477.98 and 3,884.07

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Solution

The fourth proportional to 6,867.91, 9,477.98 and 3,884.07 is: 5,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.91 : 9,477.98 = 3,884.07 : x
  2. Step 2: Convert to fraction form
    6,867.91/9,477.98 = 3,884.07/x
  3. Step 3: Cross multiply
    6,867.91x = 9,477.98 × 3,884.07
  4. Step 4: Simplify right side
    6,867.91x = 36,813,137.78
  5. Step 5: Solve for x
    x = 36,813,137.78/6,867.91
  6. Step 6: Final answer
    x = 5,360.17

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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.