Home / 5,781.20-8,665.58-2,495.84

Finding the Fourth Proportional to 5,781.20, 8,665.58 and 2,495.84

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Solution

The fourth proportional to 5,781.20, 8,665.58 and 2,495.84 is: 3,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.20 : 8,665.58 = 2,495.84 : x
  2. Step 2: Convert to fraction form
    5,781.20/8,665.58 = 2,495.84/x
  3. Step 3: Cross multiply
    5,781.20x = 8,665.58 × 2,495.84
  4. Step 4: Simplify right side
    5,781.20x = 21,627,901.19
  5. Step 5: Solve for x
    x = 21,627,901.19/5,781.20
  6. Step 6: Final answer
    x = 3,741.07

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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.