Home / 5,055.26-7,578.57-3,320.06

Finding the Fourth Proportional to 5,055.26, 7,578.57 and 3,320.06

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Solution

The fourth proportional to 5,055.26, 7,578.57 and 3,320.06 is: 4,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.26 : 7,578.57 = 3,320.06 : x
  2. Step 2: Convert to fraction form
    5,055.26/7,578.57 = 3,320.06/x
  3. Step 3: Cross multiply
    5,055.26x = 7,578.57 × 3,320.06
  4. Step 4: Simplify right side
    5,055.26x = 25,161,307.11
  5. Step 5: Solve for x
    x = 25,161,307.11/5,055.26
  6. Step 6: Final answer
    x = 4,977.25

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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.