Home / 5,433-8,143.98-2,141.56

Finding the Fourth Proportional to 5,433, 8,143.98 and 2,141.56

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Solution

The fourth proportional to 5,433, 8,143.98 and 2,141.56 is: 3,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433 : 8,143.98 = 2,141.56 : x
  2. Step 2: Convert to fraction form
    5,433/8,143.98 = 2,141.56/x
  3. Step 3: Cross multiply
    5,433x = 8,143.98 × 2,141.56
  4. Step 4: Simplify right side
    5,433x = 17,440,821.81
  5. Step 5: Solve for x
    x = 17,440,821.81/5,433
  6. Step 6: Final answer
    x = 3,210.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.