Home / 6,945.56-9,586.11-3,921.60

Finding the Fourth Proportional to 6,945.56, 9,586.11 and 3,921.60

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Solution

The fourth proportional to 6,945.56, 9,586.11 and 3,921.60 is: 5,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.56 : 9,586.11 = 3,921.60 : x
  2. Step 2: Convert to fraction form
    6,945.56/9,586.11 = 3,921.60/x
  3. Step 3: Cross multiply
    6,945.56x = 9,586.11 × 3,921.60
  4. Step 4: Simplify right side
    6,945.56x = 37,592,888.98
  5. Step 5: Solve for x
    x = 37,592,888.98/6,945.56
  6. Step 6: Final answer
    x = 5,412.51

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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.