Home / 7,507.80-11,261.96-2,577.41

Finding the Fourth Proportional to 7,507.80, 11,261.96 and 2,577.41

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Solution

The fourth proportional to 7,507.80, 11,261.96 and 2,577.41 is: 3,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.80 : 11,261.96 = 2,577.41 : x
  2. Step 2: Convert to fraction form
    7,507.80/11,261.96 = 2,577.41/x
  3. Step 3: Cross multiply
    7,507.80x = 11,261.96 × 2,577.41
  4. Step 4: Simplify right side
    7,507.80x = 29,026,619.13
  5. Step 5: Solve for x
    x = 29,026,619.13/7,507.80
  6. Step 6: Final answer
    x = 3,866.20

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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.