Home / 7,685.83-11,529.75-2,756.02

Finding the Fourth Proportional to 7,685.83, 11,529.75 and 2,756.02

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Solution

The fourth proportional to 7,685.83, 11,529.75 and 2,756.02 is: 4,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.83 : 11,529.75 = 2,756.02 : x
  2. Step 2: Convert to fraction form
    7,685.83/11,529.75 = 2,756.02/x
  3. Step 3: Cross multiply
    7,685.83x = 11,529.75 × 2,756.02
  4. Step 4: Simplify right side
    7,685.83x = 31,776,221.60
  5. Step 5: Solve for x
    x = 31,776,221.60/7,685.83
  6. Step 6: Final answer
    x = 4,134.39

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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.