Home / 7,824.39-11,729.89-2,893.11

Finding the Fourth Proportional to 7,824.39, 11,729.89 and 2,893.11

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Solution

The fourth proportional to 7,824.39, 11,729.89 and 2,893.11 is: 4,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.39 : 11,729.89 = 2,893.11 : x
  2. Step 2: Convert to fraction form
    7,824.39/11,729.89 = 2,893.11/x
  3. Step 3: Cross multiply
    7,824.39x = 11,729.89 × 2,893.11
  4. Step 4: Simplify right side
    7,824.39x = 33,935,862.06
  5. Step 5: Solve for x
    x = 33,935,862.06/7,824.39
  6. Step 6: Final answer
    x = 4,337.19

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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.