Home / 6,409.18-8,845.56-3,757.45

Finding the Fourth Proportional to 6,409.18, 8,845.56 and 3,757.45

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Solution

The fourth proportional to 6,409.18, 8,845.56 and 3,757.45 is: 5,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.18 : 8,845.56 = 3,757.45 : x
  2. Step 2: Convert to fraction form
    6,409.18/8,845.56 = 3,757.45/x
  3. Step 3: Cross multiply
    6,409.18x = 8,845.56 × 3,757.45
  4. Step 4: Simplify right side
    6,409.18x = 33,236,749.42
  5. Step 5: Solve for x
    x = 33,236,749.42/6,409.18
  6. Step 6: Final answer
    x = 5,185.80

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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.