Home / 5,165.51-7,737.86-2,388.35

Finding the Fourth Proportional to 5,165.51, 7,737.86 and 2,388.35

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Solution

The fourth proportional to 5,165.51, 7,737.86 and 2,388.35 is: 3,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.51 : 7,737.86 = 2,388.35 : x
  2. Step 2: Convert to fraction form
    5,165.51/7,737.86 = 2,388.35/x
  3. Step 3: Cross multiply
    5,165.51x = 7,737.86 × 2,388.35
  4. Step 4: Simplify right side
    5,165.51x = 18,480,725.33
  5. Step 5: Solve for x
    x = 18,480,725.33/5,165.51
  6. Step 6: Final answer
    x = 3,577.72

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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.