Home / 4,379.76-6,566.16-2,528.78

Finding the Fourth Proportional to 4,379.76, 6,566.16 and 2,528.78

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Solution

The fourth proportional to 4,379.76, 6,566.16 and 2,528.78 is: 3,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.76 : 6,566.16 = 2,528.78 : x
  2. Step 2: Convert to fraction form
    4,379.76/6,566.16 = 2,528.78/x
  3. Step 3: Cross multiply
    4,379.76x = 6,566.16 × 2,528.78
  4. Step 4: Simplify right side
    4,379.76x = 16,604,374.08
  5. Step 5: Solve for x
    x = 16,604,374.08/4,379.76
  6. Step 6: Final answer
    x = 3,791.16

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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.