Home / 6,867.80-9,477.47-3,723.92

Finding the Fourth Proportional to 6,867.80, 9,477.47 and 3,723.92

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Solution

The fourth proportional to 6,867.80, 9,477.47 and 3,723.92 is: 5,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.80 : 9,477.47 = 3,723.92 : x
  2. Step 2: Convert to fraction form
    6,867.80/9,477.47 = 3,723.92/x
  3. Step 3: Cross multiply
    6,867.80x = 9,477.47 × 3,723.92
  4. Step 4: Simplify right side
    6,867.80x = 35,293,274.08
  5. Step 5: Solve for x
    x = 35,293,274.08/6,867.80
  6. Step 6: Final answer
    x = 5,138.95

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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.