Home / 6,739.12-9,301.26-4,086.10

Finding the Fourth Proportional to 6,739.12, 9,301.26 and 4,086.10

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Solution

The fourth proportional to 6,739.12, 9,301.26 and 4,086.10 is: 5,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.12 : 9,301.26 = 4,086.10 : x
  2. Step 2: Convert to fraction form
    6,739.12/9,301.26 = 4,086.10/x
  3. Step 3: Cross multiply
    6,739.12x = 9,301.26 × 4,086.10
  4. Step 4: Simplify right side
    6,739.12x = 38,005,878.49
  5. Step 5: Solve for x
    x = 38,005,878.49/6,739.12
  6. Step 6: Final answer
    x = 5,639.59

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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.