Home / 7,622.35-11,411.04-5,634.79

Finding the Fourth Proportional to 7,622.35, 11,411.04 and 5,634.79

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Solution

The fourth proportional to 7,622.35, 11,411.04 and 5,634.79 is: 8,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.35 : 11,411.04 = 5,634.79 : x
  2. Step 2: Convert to fraction form
    7,622.35/11,411.04 = 5,634.79/x
  3. Step 3: Cross multiply
    7,622.35x = 11,411.04 × 5,634.79
  4. Step 4: Simplify right side
    7,622.35x = 64,298,814.08
  5. Step 5: Solve for x
    x = 64,298,814.08/7,622.35
  6. Step 6: Final answer
    x = 8,435.56

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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.