Home / 6,211.30-9,318.15-3,133.30

Finding the Fourth Proportional to 6,211.30, 9,318.15 and 3,133.30

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Solution

The fourth proportional to 6,211.30, 9,318.15 and 3,133.30 is: 4,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.30 : 9,318.15 = 3,133.30 : x
  2. Step 2: Convert to fraction form
    6,211.30/9,318.15 = 3,133.30/x
  3. Step 3: Cross multiply
    6,211.30x = 9,318.15 × 3,133.30
  4. Step 4: Simplify right side
    6,211.30x = 29,196,559.40
  5. Step 5: Solve for x
    x = 29,196,559.40/6,211.30
  6. Step 6: Final answer
    x = 4,700.56

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1.5x scale

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.