Home / 6,867.42-9,477.10-3,723.64

Finding the Fourth Proportional to 6,867.42, 9,477.10 and 3,723.64

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Solution

The fourth proportional to 6,867.42, 9,477.10 and 3,723.64 is: 5,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.42 : 9,477.10 = 3,723.64 : x
  2. Step 2: Convert to fraction form
    6,867.42/9,477.10 = 3,723.64/x
  3. Step 3: Cross multiply
    6,867.42x = 9,477.10 × 3,723.64
  4. Step 4: Simplify right side
    6,867.42x = 35,289,308.64
  5. Step 5: Solve for x
    x = 35,289,308.64/6,867.42
  6. Step 6: Final answer
    x = 5,138.66

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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.