Home / 4,218.75-6,327.54-2,319.68

Finding the Fourth Proportional to 4,218.75, 6,327.54 and 2,319.68

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Solution

The fourth proportional to 4,218.75, 6,327.54 and 2,319.68 is: 3,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.75 : 6,327.54 = 2,319.68 : x
  2. Step 2: Convert to fraction form
    4,218.75/6,327.54 = 2,319.68/x
  3. Step 3: Cross multiply
    4,218.75x = 6,327.54 × 2,319.68
  4. Step 4: Simplify right side
    4,218.75x = 14,677,883.81
  5. Step 5: Solve for x
    x = 14,677,883.81/4,218.75
  6. Step 6: Final answer
    x = 3,479.20

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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.