Home / 4,877.40-7,317.24-1,414.56

Finding the Fourth Proportional to 4,877.40, 7,317.24 and 1,414.56

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Solution

The fourth proportional to 4,877.40, 7,317.24 and 1,414.56 is: 2,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.40 : 7,317.24 = 1,414.56 : x
  2. Step 2: Convert to fraction form
    4,877.40/7,317.24 = 1,414.56/x
  3. Step 3: Cross multiply
    4,877.40x = 7,317.24 × 1,414.56
  4. Step 4: Simplify right side
    4,877.40x = 10,350,675.01
  5. Step 5: Solve for x
    x = 10,350,675.01/4,877.40
  6. Step 6: Final answer
    x = 2,122.17

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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.