Home / 5,081.40-7,605.90-3,623.40

Finding the Fourth Proportional to 5,081.40, 7,605.90 and 3,623.40

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Solution

The fourth proportional to 5,081.40, 7,605.90 and 3,623.40 is: 5,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.40 : 7,605.90 = 3,623.40 : x
  2. Step 2: Convert to fraction form
    5,081.40/7,605.90 = 3,623.40/x
  3. Step 3: Cross multiply
    5,081.40x = 7,605.90 × 3,623.40
  4. Step 4: Simplify right side
    5,081.40x = 27,559,218.06
  5. Step 5: Solve for x
    x = 27,559,218.06/5,081.40
  6. Step 6: Final answer
    x = 5,423.55

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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.