Home / 4,636.86-6,396.99-2,647.02

Finding the Fourth Proportional to 4,636.86, 6,396.99 and 2,647.02

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Solution

The fourth proportional to 4,636.86, 6,396.99 and 2,647.02 is: 3,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.86 : 6,396.99 = 2,647.02 : x
  2. Step 2: Convert to fraction form
    4,636.86/6,396.99 = 2,647.02/x
  3. Step 3: Cross multiply
    4,636.86x = 6,396.99 × 2,647.02
  4. Step 4: Simplify right side
    4,636.86x = 16,932,960.47
  5. Step 5: Solve for x
    x = 16,932,960.47/4,636.86
  6. Step 6: Final answer
    x = 3,651.82

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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.