Home / 4,212.69-6,319.18-1,579.93

Finding the Fourth Proportional to 4,212.69, 6,319.18 and 1,579.93

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Solution

The fourth proportional to 4,212.69, 6,319.18 and 1,579.93 is: 2,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.69 : 6,319.18 = 1,579.93 : x
  2. Step 2: Convert to fraction form
    4,212.69/6,319.18 = 1,579.93/x
  3. Step 3: Cross multiply
    4,212.69x = 6,319.18 × 1,579.93
  4. Step 4: Simplify right side
    4,212.69x = 9,983,836.39
  5. Step 5: Solve for x
    x = 9,983,836.39/4,212.69
  6. Step 6: Final answer
    x = 2,369.94

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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.