Home / 4,847.21-6,689.77-2,958.39

Finding the Fourth Proportional to 4,847.21, 6,689.77 and 2,958.39

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Solution

The fourth proportional to 4,847.21, 6,689.77 and 2,958.39 is: 4,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.21 : 6,689.77 = 2,958.39 : x
  2. Step 2: Convert to fraction form
    4,847.21/6,689.77 = 2,958.39/x
  3. Step 3: Cross multiply
    4,847.21x = 6,689.77 × 2,958.39
  4. Step 4: Simplify right side
    4,847.21x = 19,790,941.27
  5. Step 5: Solve for x
    x = 19,790,941.27/4,847.21
  6. Step 6: Final answer
    x = 4,082.96

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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.