Home / 5,397.31-7,448.11-3,039.67

Finding the Fourth Proportional to 5,397.31, 7,448.11 and 3,039.67

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Solution

The fourth proportional to 5,397.31, 7,448.11 and 3,039.67 is: 4,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.31 : 7,448.11 = 3,039.67 : x
  2. Step 2: Convert to fraction form
    5,397.31/7,448.11 = 3,039.67/x
  3. Step 3: Cross multiply
    5,397.31x = 7,448.11 × 3,039.67
  4. Step 4: Simplify right side
    5,397.31x = 22,639,796.52
  5. Step 5: Solve for x
    x = 22,639,796.52/5,397.31
  6. Step 6: Final answer
    x = 4,194.64

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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.