Home / 4,328.49-6,493.91-1,406.79

Finding the Fourth Proportional to 4,328.49, 6,493.91 and 1,406.79

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Solution

The fourth proportional to 4,328.49, 6,493.91 and 1,406.79 is: 2,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.49 : 6,493.91 = 1,406.79 : x
  2. Step 2: Convert to fraction form
    4,328.49/6,493.91 = 1,406.79/x
  3. Step 3: Cross multiply
    4,328.49x = 6,493.91 × 1,406.79
  4. Step 4: Simplify right side
    4,328.49x = 9,135,567.65
  5. Step 5: Solve for x
    x = 9,135,567.65/4,328.49
  6. Step 6: Final answer
    x = 2,110.57

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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.