Home / 6,102.56-8,424.40-3,895.84

Finding the Fourth Proportional to 6,102.56, 8,424.40 and 3,895.84

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Solution

The fourth proportional to 6,102.56, 8,424.40 and 3,895.84 is: 5,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.56 : 8,424.40 = 3,895.84 : x
  2. Step 2: Convert to fraction form
    6,102.56/8,424.40 = 3,895.84/x
  3. Step 3: Cross multiply
    6,102.56x = 8,424.40 × 3,895.84
  4. Step 4: Simplify right side
    6,102.56x = 32,820,114.50
  5. Step 5: Solve for x
    x = 32,820,114.50/6,102.56
  6. Step 6: Final answer
    x = 5,378.09

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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.