Home / 7,239.98-10,842.94-3,530.58

Finding the Fourth Proportional to 7,239.98, 10,842.94 and 3,530.58

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Solution

The fourth proportional to 7,239.98, 10,842.94 and 3,530.58 is: 5,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.98 : 10,842.94 = 3,530.58 : x
  2. Step 2: Convert to fraction form
    7,239.98/10,842.94 = 3,530.58/x
  3. Step 3: Cross multiply
    7,239.98x = 10,842.94 × 3,530.58
  4. Step 4: Simplify right side
    7,239.98x = 38,281,867.11
  5. Step 5: Solve for x
    x = 38,281,867.11/7,239.98
  6. Step 6: Final answer
    x = 5,287.57

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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.