Home / 4,828.78-7,240.74-2,359.90

Finding the Fourth Proportional to 4,828.78, 7,240.74 and 2,359.90

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Solution

The fourth proportional to 4,828.78, 7,240.74 and 2,359.90 is: 3,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.78 : 7,240.74 = 2,359.90 : x
  2. Step 2: Convert to fraction form
    4,828.78/7,240.74 = 2,359.90/x
  3. Step 3: Cross multiply
    4,828.78x = 7,240.74 × 2,359.90
  4. Step 4: Simplify right side
    4,828.78x = 17,087,422.33
  5. Step 5: Solve for x
    x = 17,087,422.33/4,828.78
  6. Step 6: Final answer
    x = 3,538.66

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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.