Home / 7,677.88-11,522.46-3,785.08

Finding the Fourth Proportional to 7,677.88, 11,522.46 and 3,785.08

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Solution

The fourth proportional to 7,677.88, 11,522.46 and 3,785.08 is: 5,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.88 : 11,522.46 = 3,785.08 : x
  2. Step 2: Convert to fraction form
    7,677.88/11,522.46 = 3,785.08/x
  3. Step 3: Cross multiply
    7,677.88x = 11,522.46 × 3,785.08
  4. Step 4: Simplify right side
    7,677.88x = 43,613,432.90
  5. Step 5: Solve for x
    x = 43,613,432.90/7,677.88
  6. Step 6: Final answer
    x = 5,680.40

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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.