Home / 5,257.81-7,255.79-2,899.96

Finding the Fourth Proportional to 5,257.81, 7,255.79 and 2,899.96

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Solution

The fourth proportional to 5,257.81, 7,255.79 and 2,899.96 is: 4,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.81 : 7,255.79 = 2,899.96 : x
  2. Step 2: Convert to fraction form
    5,257.81/7,255.79 = 2,899.96/x
  3. Step 3: Cross multiply
    5,257.81x = 7,255.79 × 2,899.96
  4. Step 4: Simplify right side
    5,257.81x = 21,041,500.77
  5. Step 5: Solve for x
    x = 21,041,500.77/5,257.81
  6. Step 6: Final answer
    x = 4,001.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.