Home / 5,349.66-7,382.04-3,111.51

Finding the Fourth Proportional to 5,349.66, 7,382.04 and 3,111.51

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Solution

The fourth proportional to 5,349.66, 7,382.04 and 3,111.51 is: 4,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.66 : 7,382.04 = 3,111.51 : x
  2. Step 2: Convert to fraction form
    5,349.66/7,382.04 = 3,111.51/x
  3. Step 3: Cross multiply
    5,349.66x = 7,382.04 × 3,111.51
  4. Step 4: Simplify right side
    5,349.66x = 22,969,245.01
  5. Step 5: Solve for x
    x = 22,969,245.01/5,349.66
  6. Step 6: Final answer
    x = 4,293.59

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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.