Home / 6,919.13-9,548.61-3,935.39

Finding the Fourth Proportional to 6,919.13, 9,548.61 and 3,935.39

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Solution

The fourth proportional to 6,919.13, 9,548.61 and 3,935.39 is: 5,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.13 : 9,548.61 = 3,935.39 : x
  2. Step 2: Convert to fraction form
    6,919.13/9,548.61 = 3,935.39/x
  3. Step 3: Cross multiply
    6,919.13x = 9,548.61 × 3,935.39
  4. Step 4: Simplify right side
    6,919.13x = 37,577,540.12
  5. Step 5: Solve for x
    x = 37,577,540.12/6,919.13
  6. Step 6: Final answer
    x = 5,430.96

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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.