Home / 4,821.30-7,191.27-4,396.86

Finding the Fourth Proportional to 4,821.30, 7,191.27 and 4,396.86

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Solution

The fourth proportional to 4,821.30, 7,191.27 and 4,396.86 is: 6,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.30 : 7,191.27 = 4,396.86 : x
  2. Step 2: Convert to fraction form
    4,821.30/7,191.27 = 4,396.86/x
  3. Step 3: Cross multiply
    4,821.30x = 7,191.27 × 4,396.86
  4. Step 4: Simplify right side
    4,821.30x = 31,619,007.41
  5. Step 5: Solve for x
    x = 31,619,007.41/4,821.30
  6. Step 6: Final answer
    x = 6,558.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.