Home / 5,053.08-7,578.78-1,355.70

Finding the Fourth Proportional to 5,053.08, 7,578.78 and 1,355.70

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Solution

The fourth proportional to 5,053.08, 7,578.78 and 1,355.70 is: 2,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.08 : 7,578.78 = 1,355.70 : x
  2. Step 2: Convert to fraction form
    5,053.08/7,578.78 = 1,355.70/x
  3. Step 3: Cross multiply
    5,053.08x = 7,578.78 × 1,355.70
  4. Step 4: Simplify right side
    5,053.08x = 10,274,552.05
  5. Step 5: Solve for x
    x = 10,274,552.05/5,053.08
  6. Step 6: Final answer
    x = 2,033.32

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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.