Home / 6,211.40-9,322.56-5,238.18

Finding the Fourth Proportional to 6,211.40, 9,322.56 and 5,238.18

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Solution

The fourth proportional to 6,211.40, 9,322.56 and 5,238.18 is: 7,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.40 : 9,322.56 = 5,238.18 : x
  2. Step 2: Convert to fraction form
    6,211.40/9,322.56 = 5,238.18/x
  3. Step 3: Cross multiply
    6,211.40x = 9,322.56 × 5,238.18
  4. Step 4: Simplify right side
    6,211.40x = 48,833,247.34
  5. Step 5: Solve for x
    x = 48,833,247.34/6,211.40
  6. Step 6: Final answer
    x = 7,861.88

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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.