Home / 7,890.83-11,824.97-5,794.39

Finding the Fourth Proportional to 7,890.83, 11,824.97 and 5,794.39

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Solution

The fourth proportional to 7,890.83, 11,824.97 and 5,794.39 is: 8,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.83 : 11,824.97 = 5,794.39 : x
  2. Step 2: Convert to fraction form
    7,890.83/11,824.97 = 5,794.39/x
  3. Step 3: Cross multiply
    7,890.83x = 11,824.97 × 5,794.39
  4. Step 4: Simplify right side
    7,890.83x = 68,518,472.84
  5. Step 5: Solve for x
    x = 68,518,472.84/7,890.83
  6. Step 6: Final answer
    x = 8,683.30

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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.