Home / 7,680.22-11,522.01-2,486.62

Finding the Fourth Proportional to 7,680.22, 11,522.01 and 2,486.62

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Solution

The fourth proportional to 7,680.22, 11,522.01 and 2,486.62 is: 3,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.22 : 11,522.01 = 2,486.62 : x
  2. Step 2: Convert to fraction form
    7,680.22/11,522.01 = 2,486.62/x
  3. Step 3: Cross multiply
    7,680.22x = 11,522.01 × 2,486.62
  4. Step 4: Simplify right side
    7,680.22x = 28,650,860.51
  5. Step 5: Solve for x
    x = 28,650,860.51/7,680.22
  6. Step 6: Final answer
    x = 3,730.47

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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.