Home / 4,878.06-7,315.79-1,367.87

Finding the Fourth Proportional to 4,878.06, 7,315.79 and 1,367.87

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Solution

The fourth proportional to 4,878.06, 7,315.79 and 1,367.87 is: 2,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.06 : 7,315.79 = 1,367.87 : x
  2. Step 2: Convert to fraction form
    4,878.06/7,315.79 = 1,367.87/x
  3. Step 3: Cross multiply
    4,878.06x = 7,315.79 × 1,367.87
  4. Step 4: Simplify right side
    4,878.06x = 10,007,006.25
  5. Step 5: Solve for x
    x = 10,007,006.25/4,878.06
  6. Step 6: Final answer
    x = 2,051.43

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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.