Home / 7,669.20-11,496.76-2,472.40

Finding the Fourth Proportional to 7,669.20, 11,496.76 and 2,472.40

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Solution

The fourth proportional to 7,669.20, 11,496.76 and 2,472.40 is: 3,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.20 : 11,496.76 = 2,472.40 : x
  2. Step 2: Convert to fraction form
    7,669.20/11,496.76 = 2,472.40/x
  3. Step 3: Cross multiply
    7,669.20x = 11,496.76 × 2,472.40
  4. Step 4: Simplify right side
    7,669.20x = 28,424,589.42
  5. Step 5: Solve for x
    x = 28,424,589.42/7,669.20
  6. Step 6: Final answer
    x = 3,706.33

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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.