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Finding the Fourth Proportional to 4,324.80, 6,472.80 and 3,806.40

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Solution

The fourth proportional to 4,324.80, 6,472.80 and 3,806.40 is: 5,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.80 : 6,472.80 = 3,806.40 : x
  2. Step 2: Convert to fraction form
    4,324.80/6,472.80 = 3,806.40/x
  3. Step 3: Cross multiply
    4,324.80x = 6,472.80 × 3,806.40
  4. Step 4: Simplify right side
    4,324.80x = 24,638,065.92
  5. Step 5: Solve for x
    x = 24,638,065.92/4,324.80
  6. Step 6: Final answer
    x = 5,696.93

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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.