Home / 7,710.16-11,564.52-3,326.80

Finding the Fourth Proportional to 7,710.16, 11,564.52 and 3,326.80

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Solution

The fourth proportional to 7,710.16, 11,564.52 and 3,326.80 is: 4,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.16 : 11,564.52 = 3,326.80 : x
  2. Step 2: Convert to fraction form
    7,710.16/11,564.52 = 3,326.80/x
  3. Step 3: Cross multiply
    7,710.16x = 11,564.52 × 3,326.80
  4. Step 4: Simplify right side
    7,710.16x = 38,472,845.14
  5. Step 5: Solve for x
    x = 38,472,845.14/7,710.16
  6. Step 6: Final answer
    x = 4,989.89

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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.