Home / 5,376.87-8,061.86-2,087.26

Finding the Fourth Proportional to 5,376.87, 8,061.86 and 2,087.26

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Solution

The fourth proportional to 5,376.87, 8,061.86 and 2,087.26 is: 3,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.87 : 8,061.86 = 2,087.26 : x
  2. Step 2: Convert to fraction form
    5,376.87/8,061.86 = 2,087.26/x
  3. Step 3: Cross multiply
    5,376.87x = 8,061.86 × 2,087.26
  4. Step 4: Simplify right side
    5,376.87x = 16,827,182.97
  5. Step 5: Solve for x
    x = 16,827,182.97/5,376.87
  6. Step 6: Final answer
    x = 3,129.55

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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.