Home / 6,861.06-9,465.72-4,028.56

Finding the Fourth Proportional to 6,861.06, 9,465.72 and 4,028.56

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Solution

The fourth proportional to 6,861.06, 9,465.72 and 4,028.56 is: 5,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.06 : 9,465.72 = 4,028.56 : x
  2. Step 2: Convert to fraction form
    6,861.06/9,465.72 = 4,028.56/x
  3. Step 3: Cross multiply
    6,861.06x = 9,465.72 × 4,028.56
  4. Step 4: Simplify right side
    6,861.06x = 38,133,220.96
  5. Step 5: Solve for x
    x = 38,133,220.96/6,861.06
  6. Step 6: Final answer
    x = 5,557.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.