Home / 5,236.79-7,222.65-3,246.21

Finding the Fourth Proportional to 5,236.79, 7,222.65 and 3,246.21

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Solution

The fourth proportional to 5,236.79, 7,222.65 and 3,246.21 is: 4,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.79 : 7,222.65 = 3,246.21 : x
  2. Step 2: Convert to fraction form
    5,236.79/7,222.65 = 3,246.21/x
  3. Step 3: Cross multiply
    5,236.79x = 7,222.65 × 3,246.21
  4. Step 4: Simplify right side
    5,236.79x = 23,446,238.66
  5. Step 5: Solve for x
    x = 23,446,238.66/5,236.79
  6. Step 6: Final answer
    x = 4,477.22

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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.