Home / 4,209.33-6,313.75-1,247.66

Finding the Fourth Proportional to 4,209.33, 6,313.75 and 1,247.66

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Solution

The fourth proportional to 4,209.33, 6,313.75 and 1,247.66 is: 1,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.33 : 6,313.75 = 1,247.66 : x
  2. Step 2: Convert to fraction form
    4,209.33/6,313.75 = 1,247.66/x
  3. Step 3: Cross multiply
    4,209.33x = 6,313.75 × 1,247.66
  4. Step 4: Simplify right side
    4,209.33x = 7,877,409.33
  5. Step 5: Solve for x
    x = 7,877,409.33/4,209.33
  6. Step 6: Final answer
    x = 1,871.41

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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.