Home / 7,347.28-11,021.46-2,153.56

Finding the Fourth Proportional to 7,347.28, 11,021.46 and 2,153.56

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Solution

The fourth proportional to 7,347.28, 11,021.46 and 2,153.56 is: 3,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.28 : 11,021.46 = 2,153.56 : x
  2. Step 2: Convert to fraction form
    7,347.28/11,021.46 = 2,153.56/x
  3. Step 3: Cross multiply
    7,347.28x = 11,021.46 × 2,153.56
  4. Step 4: Simplify right side
    7,347.28x = 23,735,375.40
  5. Step 5: Solve for x
    x = 23,735,375.40/7,347.28
  6. Step 6: Final answer
    x = 3,230.50

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1.5x scale

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.