Home / 7,778.49-11,669.55-2,584.36

Finding the Fourth Proportional to 7,778.49, 11,669.55 and 2,584.36

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Solution

The fourth proportional to 7,778.49, 11,669.55 and 2,584.36 is: 3,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.49 : 11,669.55 = 2,584.36 : x
  2. Step 2: Convert to fraction form
    7,778.49/11,669.55 = 2,584.36/x
  3. Step 3: Cross multiply
    7,778.49x = 11,669.55 × 2,584.36
  4. Step 4: Simplify right side
    7,778.49x = 30,158,318.24
  5. Step 5: Solve for x
    x = 30,158,318.24/7,778.49
  6. Step 6: Final answer
    x = 3,877.14

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1.5x scale

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.