Home / 7,782.73-11,677.51-4,084.09

Finding the Fourth Proportional to 7,782.73, 11,677.51 and 4,084.09

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Solution

The fourth proportional to 7,782.73, 11,677.51 and 4,084.09 is: 6,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.73 : 11,677.51 = 4,084.09 : x
  2. Step 2: Convert to fraction form
    7,782.73/11,677.51 = 4,084.09/x
  3. Step 3: Cross multiply
    7,782.73x = 11,677.51 × 4,084.09
  4. Step 4: Simplify right side
    7,782.73x = 47,691,962.41
  5. Step 5: Solve for x
    x = 47,691,962.41/7,782.73
  6. Step 6: Final answer
    x = 6,127.92

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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.