Home / 5,497.40-8,240.70-2,721.80

Finding the Fourth Proportional to 5,497.40, 8,240.70 and 2,721.80

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Solution

The fourth proportional to 5,497.40, 8,240.70 and 2,721.80 is: 4,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.40 : 8,240.70 = 2,721.80 : x
  2. Step 2: Convert to fraction form
    5,497.40/8,240.70 = 2,721.80/x
  3. Step 3: Cross multiply
    5,497.40x = 8,240.70 × 2,721.80
  4. Step 4: Simplify right side
    5,497.40x = 22,429,537.26
  5. Step 5: Solve for x
    x = 22,429,537.26/5,497.40
  6. Step 6: Final answer
    x = 4,080.03

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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.