Home / 8,236.21-11,365.89-4,459.28

Finding the Fourth Proportional to 8,236.21, 11,365.89 and 4,459.28

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Solution

The fourth proportional to 8,236.21, 11,365.89 and 4,459.28 is: 6,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.21 : 11,365.89 = 4,459.28 : x
  2. Step 2: Convert to fraction form
    8,236.21/11,365.89 = 4,459.28/x
  3. Step 3: Cross multiply
    8,236.21x = 11,365.89 × 4,459.28
  4. Step 4: Simplify right side
    8,236.21x = 50,683,644.37
  5. Step 5: Solve for x
    x = 50,683,644.37/8,236.21
  6. Step 6: Final answer
    x = 6,153.76

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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.