Home / 6,115.47-9,175.64-2,830.11

Finding the Fourth Proportional to 6,115.47, 9,175.64 and 2,830.11

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Solution

The fourth proportional to 6,115.47, 9,175.64 and 2,830.11 is: 4,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.47 : 9,175.64 = 2,830.11 : x
  2. Step 2: Convert to fraction form
    6,115.47/9,175.64 = 2,830.11/x
  3. Step 3: Cross multiply
    6,115.47x = 9,175.64 × 2,830.11
  4. Step 4: Simplify right side
    6,115.47x = 25,968,070.52
  5. Step 5: Solve for x
    x = 25,968,070.52/6,115.47
  6. Step 6: Final answer
    x = 4,246.29

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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.