Home / 7,490.66-11,237.32-2,559.15

Finding the Fourth Proportional to 7,490.66, 11,237.32 and 2,559.15

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Solution

The fourth proportional to 7,490.66, 11,237.32 and 2,559.15 is: 3,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.66 : 11,237.32 = 2,559.15 : x
  2. Step 2: Convert to fraction form
    7,490.66/11,237.32 = 2,559.15/x
  3. Step 3: Cross multiply
    7,490.66x = 11,237.32 × 2,559.15
  4. Step 4: Simplify right side
    7,490.66x = 28,757,987.48
  5. Step 5: Solve for x
    x = 28,757,987.48/7,490.66
  6. Step 6: Final answer
    x = 3,839.18

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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.