Home / 5,261.30-7,895.86-2,488.82

Finding the Fourth Proportional to 5,261.30, 7,895.86 and 2,488.82

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Solution

The fourth proportional to 5,261.30, 7,895.86 and 2,488.82 is: 3,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.30 : 7,895.86 = 2,488.82 : x
  2. Step 2: Convert to fraction form
    5,261.30/7,895.86 = 2,488.82/x
  3. Step 3: Cross multiply
    5,261.30x = 7,895.86 × 2,488.82
  4. Step 4: Simplify right side
    5,261.30x = 19,651,374.29
  5. Step 5: Solve for x
    x = 19,651,374.29/5,261.30
  6. Step 6: Final answer
    x = 3,735.08

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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.