Home / 5,349.45-7,382.03-3,111.39

Finding the Fourth Proportional to 5,349.45, 7,382.03 and 3,111.39

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Solution

The fourth proportional to 5,349.45, 7,382.03 and 3,111.39 is: 4,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.45 : 7,382.03 = 3,111.39 : x
  2. Step 2: Convert to fraction form
    5,349.45/7,382.03 = 3,111.39/x
  3. Step 3: Cross multiply
    5,349.45x = 7,382.03 × 3,111.39
  4. Step 4: Simplify right side
    5,349.45x = 22,968,358.76
  5. Step 5: Solve for x
    x = 22,968,358.76/5,349.45
  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.