Home / 5,395.17-8,089.32-2,107.38

Finding the Fourth Proportional to 5,395.17, 8,089.32 and 2,107.38

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Solution

The fourth proportional to 5,395.17, 8,089.32 and 2,107.38 is: 3,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.17 : 8,089.32 = 2,107.38 : x
  2. Step 2: Convert to fraction form
    5,395.17/8,089.32 = 2,107.38/x
  3. Step 3: Cross multiply
    5,395.17x = 8,089.32 × 2,107.38
  4. Step 4: Simplify right side
    5,395.17x = 17,047,271.18
  5. Step 5: Solve for x
    x = 17,047,271.18/5,395.17
  6. Step 6: Final answer
    x = 3,159.73

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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.