Home / 6,660.56-9,987.93-3,539.82

Finding the Fourth Proportional to 6,660.56, 9,987.93 and 3,539.82

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Solution

The fourth proportional to 6,660.56, 9,987.93 and 3,539.82 is: 5,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.56 : 9,987.93 = 3,539.82 : x
  2. Step 2: Convert to fraction form
    6,660.56/9,987.93 = 3,539.82/x
  3. Step 3: Cross multiply
    6,660.56x = 9,987.93 × 3,539.82
  4. Step 4: Simplify right side
    6,660.56x = 35,355,455.65
  5. Step 5: Solve for x
    x = 35,355,455.65/6,660.56
  6. Step 6: Final answer
    x = 5,308.18

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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.