Home / 6,739.66-9,301.08-4,087.36

Finding the Fourth Proportional to 6,739.66, 9,301.08 and 4,087.36

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Solution

The fourth proportional to 6,739.66, 9,301.08 and 4,087.36 is: 5,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.66 : 9,301.08 = 4,087.36 : x
  2. Step 2: Convert to fraction form
    6,739.66/9,301.08 = 4,087.36/x
  3. Step 3: Cross multiply
    6,739.66x = 9,301.08 × 4,087.36
  4. Step 4: Simplify right side
    6,739.66x = 38,016,862.35
  5. Step 5: Solve for x
    x = 38,016,862.35/6,739.66
  6. Step 6: Final answer
    x = 5,640.77

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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.