Home / 5,092.15-7,638.38-2,317.40

Finding the Fourth Proportional to 5,092.15, 7,638.38 and 2,317.40

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Solution

The fourth proportional to 5,092.15, 7,638.38 and 2,317.40 is: 3,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.15 : 7,638.38 = 2,317.40 : x
  2. Step 2: Convert to fraction form
    5,092.15/7,638.38 = 2,317.40/x
  3. Step 3: Cross multiply
    5,092.15x = 7,638.38 × 2,317.40
  4. Step 4: Simplify right side
    5,092.15x = 17,701,181.81
  5. Step 5: Solve for x
    x = 17,701,181.81/5,092.15
  6. Step 6: Final answer
    x = 3,476.17

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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.