Home / 6,319.85-9,480.38-1,936.53

Finding the Fourth Proportional to 6,319.85, 9,480.38 and 1,936.53

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Solution

The fourth proportional to 6,319.85, 9,480.38 and 1,936.53 is: 2,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.85 : 9,480.38 = 1,936.53 : x
  2. Step 2: Convert to fraction form
    6,319.85/9,480.38 = 1,936.53/x
  3. Step 3: Cross multiply
    6,319.85x = 9,480.38 × 1,936.53
  4. Step 4: Simplify right side
    6,319.85x = 18,359,030.60
  5. Step 5: Solve for x
    x = 18,359,030.60/6,319.85
  6. Step 6: Final answer
    x = 2,904.98

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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.