Home / 5,261.96-7,896-2,141.48

Finding the Fourth Proportional to 5,261.96, 7,896 and 2,141.48

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Solution

The fourth proportional to 5,261.96, 7,896 and 2,141.48 is: 3,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.96 : 7,896 = 2,141.48 : x
  2. Step 2: Convert to fraction form
    5,261.96/7,896 = 2,141.48/x
  3. Step 3: Cross multiply
    5,261.96x = 7,896 × 2,141.48
  4. Step 4: Simplify right side
    5,261.96x = 16,909,126.08
  5. Step 5: Solve for x
    x = 16,909,126.08/5,261.96
  6. Step 6: Final answer
    x = 3,213.47

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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.