Home / 4,821-7,231.52-1,358.25

Finding the Fourth Proportional to 4,821, 7,231.52 and 1,358.25

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Solution

The fourth proportional to 4,821, 7,231.52 and 1,358.25 is: 2,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821 : 7,231.52 = 1,358.25 : x
  2. Step 2: Convert to fraction form
    4,821/7,231.52 = 1,358.25/x
  3. Step 3: Cross multiply
    4,821x = 7,231.52 × 1,358.25
  4. Step 4: Simplify right side
    4,821x = 9,822,205.25
  5. Step 5: Solve for x
    x = 9,822,205.25/4,821
  6. Step 6: Final answer
    x = 2,037.38

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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.