Home / 4,155.90-6,234.12-1,558.68

Finding the Fourth Proportional to 4,155.90, 6,234.12 and 1,558.68

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Solution

The fourth proportional to 4,155.90, 6,234.12 and 1,558.68 is: 2,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.90 : 6,234.12 = 1,558.68 : x
  2. Step 2: Convert to fraction form
    4,155.90/6,234.12 = 1,558.68/x
  3. Step 3: Cross multiply
    4,155.90x = 6,234.12 × 1,558.68
  4. Step 4: Simplify right side
    4,155.90x = 9,716,998.16
  5. Step 5: Solve for x
    x = 9,716,998.16/4,155.90
  6. Step 6: Final answer
    x = 2,338.12

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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.