Home / 7,680.53-11,522.63-2,486.41

Finding the Fourth Proportional to 7,680.53, 11,522.63 and 2,486.41

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Solution

The fourth proportional to 7,680.53, 11,522.63 and 2,486.41 is: 3,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.53 : 11,522.63 = 2,486.41 : x
  2. Step 2: Convert to fraction form
    7,680.53/11,522.63 = 2,486.41/x
  3. Step 3: Cross multiply
    7,680.53x = 11,522.63 × 2,486.41
  4. Step 4: Simplify right side
    7,680.53x = 28,649,912.41
  5. Step 5: Solve for x
    x = 28,649,912.41/7,680.53
  6. Step 6: Final answer
    x = 3,730.20

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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.