Home / 6,867.66-9,477.36-3,723.84

Finding the Fourth Proportional to 6,867.66, 9,477.36 and 3,723.84

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Solution

The fourth proportional to 6,867.66, 9,477.36 and 3,723.84 is: 5,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.66 : 9,477.36 = 3,723.84 : x
  2. Step 2: Convert to fraction form
    6,867.66/9,477.36 = 3,723.84/x
  3. Step 3: Cross multiply
    6,867.66x = 9,477.36 × 3,723.84
  4. Step 4: Simplify right side
    6,867.66x = 35,292,172.26
  5. Step 5: Solve for x
    x = 35,292,172.26/6,867.66
  6. Step 6: Final answer
    x = 5,138.89

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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.