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Finding the Fourth Proportional to 4,662.63, 6,432.98 and 2,645.71

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Solution

The fourth proportional to 4,662.63, 6,432.98 and 2,645.71 is: 3,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.63 : 6,432.98 = 2,645.71 : x
  2. Step 2: Convert to fraction form
    4,662.63/6,432.98 = 2,645.71/x
  3. Step 3: Cross multiply
    4,662.63x = 6,432.98 × 2,645.71
  4. Step 4: Simplify right side
    4,662.63x = 17,019,799.52
  5. Step 5: Solve for x
    x = 17,019,799.52/4,662.63
  6. Step 6: Final answer
    x = 3,650.26

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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.