Home / 4,083.49-6,125.64-1,309.47

Finding the Fourth Proportional to 4,083.49, 6,125.64 and 1,309.47

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Solution

The fourth proportional to 4,083.49, 6,125.64 and 1,309.47 is: 1,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.49 : 6,125.64 = 1,309.47 : x
  2. Step 2: Convert to fraction form
    4,083.49/6,125.64 = 1,309.47/x
  3. Step 3: Cross multiply
    4,083.49x = 6,125.64 × 1,309.47
  4. Step 4: Simplify right side
    4,083.49x = 8,021,341.81
  5. Step 5: Solve for x
    x = 8,021,341.81/4,083.49
  6. Step 6: Final answer
    x = 1,964.33

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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.