Home / 5,376.69-8,061.36-2,739.09

Finding the Fourth Proportional to 5,376.69, 8,061.36 and 2,739.09

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Solution

The fourth proportional to 5,376.69, 8,061.36 and 2,739.09 is: 4,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.69 : 8,061.36 = 2,739.09 : x
  2. Step 2: Convert to fraction form
    5,376.69/8,061.36 = 2,739.09/x
  3. Step 3: Cross multiply
    5,376.69x = 8,061.36 × 2,739.09
  4. Step 4: Simplify right side
    5,376.69x = 22,080,810.52
  5. Step 5: Solve for x
    x = 22,080,810.52/5,376.69
  6. Step 6: Final answer
    x = 4,106.76

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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.