Home / 4,208.80-6,313.20-1,247.35

Finding the Fourth Proportional to 4,208.80, 6,313.20 and 1,247.35

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Solution

The fourth proportional to 4,208.80, 6,313.20 and 1,247.35 is: 1,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.80 : 6,313.20 = 1,247.35 : x
  2. Step 2: Convert to fraction form
    4,208.80/6,313.20 = 1,247.35/x
  3. Step 3: Cross multiply
    4,208.80x = 6,313.20 × 1,247.35
  4. Step 4: Simplify right side
    4,208.80x = 7,874,770.02
  5. Step 5: Solve for x
    x = 7,874,770.02/4,208.80
  6. Step 6: Final answer
    x = 1,871.03

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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.