Home / 9,231.13-12,739.08-5,039.38

Finding the Fourth Proportional to 9,231.13, 12,739.08 and 5,039.38

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Solution

The fourth proportional to 9,231.13, 12,739.08 and 5,039.38 is: 6,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.13 : 12,739.08 = 5,039.38 : x
  2. Step 2: Convert to fraction form
    9,231.13/12,739.08 = 5,039.38/x
  3. Step 3: Cross multiply
    9,231.13x = 12,739.08 × 5,039.38
  4. Step 4: Simplify right side
    9,231.13x = 64,197,064.97
  5. Step 5: Solve for x
    x = 64,197,064.97/9,231.13
  6. Step 6: Final answer
    x = 6,954.41

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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.