Home / 5,175.64-7,767.51-1,890.82

Finding the Fourth Proportional to 5,175.64, 7,767.51 and 1,890.82

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Solution

The fourth proportional to 5,175.64, 7,767.51 and 1,890.82 is: 2,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.64 : 7,767.51 = 1,890.82 : x
  2. Step 2: Convert to fraction form
    5,175.64/7,767.51 = 1,890.82/x
  3. Step 3: Cross multiply
    5,175.64x = 7,767.51 × 1,890.82
  4. Step 4: Simplify right side
    5,175.64x = 14,686,963.26
  5. Step 5: Solve for x
    x = 14,686,963.26/5,175.64
  6. Step 6: Final answer
    x = 2,837.71

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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.