Home / 7,806.90-10,773.78-4,450.48

Finding the Fourth Proportional to 7,806.90, 10,773.78 and 4,450.48

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Solution

The fourth proportional to 7,806.90, 10,773.78 and 4,450.48 is: 6,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.90 : 10,773.78 = 4,450.48 : x
  2. Step 2: Convert to fraction form
    7,806.90/10,773.78 = 4,450.48/x
  3. Step 3: Cross multiply
    7,806.90x = 10,773.78 × 4,450.48
  4. Step 4: Simplify right side
    7,806.90x = 47,948,492.41
  5. Step 5: Solve for x
    x = 47,948,492.41/7,806.90
  6. Step 6: Final answer
    x = 6,141.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.