Home / 7,683.05-11,522.76-3,520.46

Finding the Fourth Proportional to 7,683.05, 11,522.76 and 3,520.46

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Solution

The fourth proportional to 7,683.05, 11,522.76 and 3,520.46 is: 5,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.05 : 11,522.76 = 3,520.46 : x
  2. Step 2: Convert to fraction form
    7,683.05/11,522.76 = 3,520.46/x
  3. Step 3: Cross multiply
    7,683.05x = 11,522.76 × 3,520.46
  4. Step 4: Simplify right side
    7,683.05x = 40,565,431.27
  5. Step 5: Solve for x
    x = 40,565,431.27/7,683.05
  6. Step 6: Final answer
    x = 5,279.86

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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.