Home / 5,261.58-7,881.44-2,490.47

Finding the Fourth Proportional to 5,261.58, 7,881.44 and 2,490.47

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Solution

The fourth proportional to 5,261.58, 7,881.44 and 2,490.47 is: 3,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.58 : 7,881.44 = 2,490.47 : x
  2. Step 2: Convert to fraction form
    5,261.58/7,881.44 = 2,490.47/x
  3. Step 3: Cross multiply
    5,261.58x = 7,881.44 × 2,490.47
  4. Step 4: Simplify right side
    5,261.58x = 19,628,489.88
  5. Step 5: Solve for x
    x = 19,628,489.88/5,261.58
  6. Step 6: Final answer
    x = 3,730.53

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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.