Home / 5,272.41-7,909.07-1,376.82

Finding the Fourth Proportional to 5,272.41, 7,909.07 and 1,376.82

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Solution

The fourth proportional to 5,272.41, 7,909.07 and 1,376.82 is: 2,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.41 : 7,909.07 = 1,376.82 : x
  2. Step 2: Convert to fraction form
    5,272.41/7,909.07 = 1,376.82/x
  3. Step 3: Cross multiply
    5,272.41x = 7,909.07 × 1,376.82
  4. Step 4: Simplify right side
    5,272.41x = 10,889,358.87
  5. Step 5: Solve for x
    x = 10,889,358.87/5,272.41
  6. Step 6: Final answer
    x = 2,065.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.