Home / 4,668.31-6,440.19-3,155.38

Finding the Fourth Proportional to 4,668.31, 6,440.19 and 3,155.38

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Solution

The fourth proportional to 4,668.31, 6,440.19 and 3,155.38 is: 4,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.31 : 6,440.19 = 3,155.38 : x
  2. Step 2: Convert to fraction form
    4,668.31/6,440.19 = 3,155.38/x
  3. Step 3: Cross multiply
    4,668.31x = 6,440.19 × 3,155.38
  4. Step 4: Simplify right side
    4,668.31x = 20,321,246.72
  5. Step 5: Solve for x
    x = 20,321,246.72/4,668.31
  6. Step 6: Final answer
    x = 4,353.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.