Home / 5,555.58-7,666-3,317.01

Finding the Fourth Proportional to 5,555.58, 7,666 and 3,317.01

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Solution

The fourth proportional to 5,555.58, 7,666 and 3,317.01 is: 4,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.58 : 7,666 = 3,317.01 : x
  2. Step 2: Convert to fraction form
    5,555.58/7,666 = 3,317.01/x
  3. Step 3: Cross multiply
    5,555.58x = 7,666 × 3,317.01
  4. Step 4: Simplify right side
    5,555.58x = 25,428,198.66
  5. Step 5: Solve for x
    x = 25,428,198.66/5,555.58
  6. Step 6: Final answer
    x = 4,577.06

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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.