Home / 5,236.36-7,219.47-4,288.66

Finding the Fourth Proportional to 5,236.36, 7,219.47 and 4,288.66

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Solution

The fourth proportional to 5,236.36, 7,219.47 and 4,288.66 is: 5,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.36 : 7,219.47 = 4,288.66 : x
  2. Step 2: Convert to fraction form
    5,236.36/7,219.47 = 4,288.66/x
  3. Step 3: Cross multiply
    5,236.36x = 7,219.47 × 4,288.66
  4. Step 4: Simplify right side
    5,236.36x = 30,961,852.21
  5. Step 5: Solve for x
    x = 30,961,852.21/5,236.36
  6. Step 6: Final answer
    x = 5,912.86

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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.