Home / 4,379.37-6,562.31-2,155.65

Finding the Fourth Proportional to 4,379.37, 6,562.31 and 2,155.65

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Solution

The fourth proportional to 4,379.37, 6,562.31 and 2,155.65 is: 3,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.37 : 6,562.31 = 2,155.65 : x
  2. Step 2: Convert to fraction form
    4,379.37/6,562.31 = 2,155.65/x
  3. Step 3: Cross multiply
    4,379.37x = 6,562.31 × 2,155.65
  4. Step 4: Simplify right side
    4,379.37x = 14,146,032.77
  5. Step 5: Solve for x
    x = 14,146,032.77/4,379.37
  6. Step 6: Final answer
    x = 3,230.15

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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.