Home / 5,270.41-7,899.30-2,455.45

Finding the Fourth Proportional to 5,270.41, 7,899.30 and 2,455.45

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Solution

The fourth proportional to 5,270.41, 7,899.30 and 2,455.45 is: 3,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.41 : 7,899.30 = 2,455.45 : x
  2. Step 2: Convert to fraction form
    5,270.41/7,899.30 = 2,455.45/x
  3. Step 3: Cross multiply
    5,270.41x = 7,899.30 × 2,455.45
  4. Step 4: Simplify right side
    5,270.41x = 19,396,336.19
  5. Step 5: Solve for x
    x = 19,396,336.19/5,270.41
  6. Step 6: Final answer
    x = 3,680.23

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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.