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Finding the Fourth Proportional to 4,407.94, 6,613.02 and 3,111.94

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Solution

The fourth proportional to 4,407.94, 6,613.02 and 3,111.94 is: 4,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.94 : 6,613.02 = 3,111.94 : x
  2. Step 2: Convert to fraction form
    4,407.94/6,613.02 = 3,111.94/x
  3. Step 3: Cross multiply
    4,407.94x = 6,613.02 × 3,111.94
  4. Step 4: Simplify right side
    4,407.94x = 20,579,321.46
  5. Step 5: Solve for x
    x = 20,579,321.46/4,407.94
  6. Step 6: Final answer
    x = 4,668.69

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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.