Home / 4,165.42-6,246-1,391.09

Finding the Fourth Proportional to 4,165.42, 6,246 and 1,391.09

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Solution

The fourth proportional to 4,165.42, 6,246 and 1,391.09 is: 2,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.42 : 6,246 = 1,391.09 : x
  2. Step 2: Convert to fraction form
    4,165.42/6,246 = 1,391.09/x
  3. Step 3: Cross multiply
    4,165.42x = 6,246 × 1,391.09
  4. Step 4: Simplify right side
    4,165.42x = 8,688,748.14
  5. Step 5: Solve for x
    x = 8,688,748.14/4,165.42
  6. Step 6: Final answer
    x = 2,085.93

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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.