Home / 5,107.51-7,646.40-3,797.08

Finding the Fourth Proportional to 5,107.51, 7,646.40 and 3,797.08

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Solution

The fourth proportional to 5,107.51, 7,646.40 and 3,797.08 is: 5,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.51 : 7,646.40 = 3,797.08 : x
  2. Step 2: Convert to fraction form
    5,107.51/7,646.40 = 3,797.08/x
  3. Step 3: Cross multiply
    5,107.51x = 7,646.40 × 3,797.08
  4. Step 4: Simplify right side
    5,107.51x = 29,033,992.51
  5. Step 5: Solve for x
    x = 29,033,992.51/5,107.51
  6. Step 6: Final answer
    x = 5,684.57

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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.