Home / 4,245.59-6,356.58-2,161.11

Finding the Fourth Proportional to 4,245.59, 6,356.58 and 2,161.11

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Solution

The fourth proportional to 4,245.59, 6,356.58 and 2,161.11 is: 3,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.59 : 6,356.58 = 2,161.11 : x
  2. Step 2: Convert to fraction form
    4,245.59/6,356.58 = 2,161.11/x
  3. Step 3: Cross multiply
    4,245.59x = 6,356.58 × 2,161.11
  4. Step 4: Simplify right side
    4,245.59x = 13,737,230.70
  5. Step 5: Solve for x
    x = 13,737,230.70/4,245.59
  6. Step 6: Final answer
    x = 3,235.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.