Home / 7,381.48-11,068.38-2,761

Finding the Fourth Proportional to 7,381.48, 11,068.38 and 2,761

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Solution

The fourth proportional to 7,381.48, 11,068.38 and 2,761 is: 4,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.48 : 11,068.38 = 2,761 : x
  2. Step 2: Convert to fraction form
    7,381.48/11,068.38 = 2,761/x
  3. Step 3: Cross multiply
    7,381.48x = 11,068.38 × 2,761
  4. Step 4: Simplify right side
    7,381.48x = 30,559,797.18
  5. Step 5: Solve for x
    x = 30,559,797.18/7,381.48
  6. Step 6: Final answer
    x = 4,140.06

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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.