Home / 4,775.38-7,164.89-1,853.91

Finding the Fourth Proportional to 4,775.38, 7,164.89 and 1,853.91

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Solution

The fourth proportional to 4,775.38, 7,164.89 and 1,853.91 is: 2,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.38 : 7,164.89 = 1,853.91 : x
  2. Step 2: Convert to fraction form
    4,775.38/7,164.89 = 1,853.91/x
  3. Step 3: Cross multiply
    4,775.38x = 7,164.89 × 1,853.91
  4. Step 4: Simplify right side
    4,775.38x = 13,283,051.95
  5. Step 5: Solve for x
    x = 13,283,051.95/4,775.38
  6. Step 6: Final answer
    x = 2,781.57

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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.