Home / 7,613.05-11,419.44-3,913.12

Finding the Fourth Proportional to 7,613.05, 11,419.44 and 3,913.12

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Solution

The fourth proportional to 7,613.05, 11,419.44 and 3,913.12 is: 5,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.05 : 11,419.44 = 3,913.12 : x
  2. Step 2: Convert to fraction form
    7,613.05/11,419.44 = 3,913.12/x
  3. Step 3: Cross multiply
    7,613.05x = 11,419.44 × 3,913.12
  4. Step 4: Simplify right side
    7,613.05x = 44,685,639.05
  5. Step 5: Solve for x
    x = 44,685,639.05/7,613.05
  6. Step 6: Final answer
    x = 5,869.61

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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.