Home / 4,379.91-6,566.40-2,187.51

Finding the Fourth Proportional to 4,379.91, 6,566.40 and 2,187.51

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Solution

The fourth proportional to 4,379.91, 6,566.40 and 2,187.51 is: 3,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.91 : 6,566.40 = 2,187.51 : x
  2. Step 2: Convert to fraction form
    4,379.91/6,566.40 = 2,187.51/x
  3. Step 3: Cross multiply
    4,379.91x = 6,566.40 × 2,187.51
  4. Step 4: Simplify right side
    4,379.91x = 14,364,065.66
  5. Step 5: Solve for x
    x = 14,364,065.66/4,379.91
  6. Step 6: Final answer
    x = 3,279.53

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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.