Home / 4,887.26-7,330.78-1,377.22

Finding the Fourth Proportional to 4,887.26, 7,330.78 and 1,377.22

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Solution

The fourth proportional to 4,887.26, 7,330.78 and 1,377.22 is: 2,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.26 : 7,330.78 = 1,377.22 : x
  2. Step 2: Convert to fraction form
    4,887.26/7,330.78 = 1,377.22/x
  3. Step 3: Cross multiply
    4,887.26x = 7,330.78 × 1,377.22
  4. Step 4: Simplify right side
    4,887.26x = 10,096,096.83
  5. Step 5: Solve for x
    x = 10,096,096.83/4,887.26
  6. Step 6: Final answer
    x = 2,065.80

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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.