Home / 4,775.31-7,165.08-1,853.84

Finding the Fourth Proportional to 4,775.31, 7,165.08 and 1,853.84

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Solution

The fourth proportional to 4,775.31, 7,165.08 and 1,853.84 is: 2,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.31 : 7,165.08 = 1,853.84 : x
  2. Step 2: Convert to fraction form
    4,775.31/7,165.08 = 1,853.84/x
  3. Step 3: Cross multiply
    4,775.31x = 7,165.08 × 1,853.84
  4. Step 4: Simplify right side
    4,775.31x = 13,282,876.08
  5. Step 5: Solve for x
    x = 13,282,876.08/4,775.31
  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.