Home / 5,395.04-8,080.85-2,615.88

Finding the Fourth Proportional to 5,395.04, 8,080.85 and 2,615.88

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Solution

The fourth proportional to 5,395.04, 8,080.85 and 2,615.88 is: 3,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.04 : 8,080.85 = 2,615.88 : x
  2. Step 2: Convert to fraction form
    5,395.04/8,080.85 = 2,615.88/x
  3. Step 3: Cross multiply
    5,395.04x = 8,080.85 × 2,615.88
  4. Step 4: Simplify right side
    5,395.04x = 21,138,510.57
  5. Step 5: Solve for x
    x = 21,138,510.57/5,395.04
  6. Step 6: Final answer
    x = 3,918.14

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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.