Home / 4,279.93-6,411.53-2,814.64

Finding the Fourth Proportional to 4,279.93, 6,411.53 and 2,814.64

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Solution

The fourth proportional to 4,279.93, 6,411.53 and 2,814.64 is: 4,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.93 : 6,411.53 = 2,814.64 : x
  2. Step 2: Convert to fraction form
    4,279.93/6,411.53 = 2,814.64/x
  3. Step 3: Cross multiply
    4,279.93x = 6,411.53 × 2,814.64
  4. Step 4: Simplify right side
    4,279.93x = 18,046,148.80
  5. Step 5: Solve for x
    x = 18,046,148.80/4,279.93
  6. Step 6: Final answer
    x = 4,216.46

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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.