Home / 6,217.80-9,313.38-3,878.52

Finding the Fourth Proportional to 6,217.80, 9,313.38 and 3,878.52

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Solution

The fourth proportional to 6,217.80, 9,313.38 and 3,878.52 is: 5,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.80 : 9,313.38 = 3,878.52 : x
  2. Step 2: Convert to fraction form
    6,217.80/9,313.38 = 3,878.52/x
  3. Step 3: Cross multiply
    6,217.80x = 9,313.38 × 3,878.52
  4. Step 4: Simplify right side
    6,217.80x = 36,122,130.60
  5. Step 5: Solve for x
    x = 36,122,130.60/6,217.80
  6. Step 6: Final answer
    x = 5,809.47

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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.