Home / 7,716.14-11,567.28-2,784.63

Finding the Fourth Proportional to 7,716.14, 11,567.28 and 2,784.63

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Solution

The fourth proportional to 7,716.14, 11,567.28 and 2,784.63 is: 4,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.14 : 11,567.28 = 2,784.63 : x
  2. Step 2: Convert to fraction form
    7,716.14/11,567.28 = 2,784.63/x
  3. Step 3: Cross multiply
    7,716.14x = 11,567.28 × 2,784.63
  4. Step 4: Simplify right side
    7,716.14x = 32,210,594.91
  5. Step 5: Solve for x
    x = 32,210,594.91/7,716.14
  6. Step 6: Final answer
    x = 4,174.44

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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.