Home / 5,353.28-8,029.68-1,890.56

Finding the Fourth Proportional to 5,353.28, 8,029.68 and 1,890.56

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Solution

The fourth proportional to 5,353.28, 8,029.68 and 1,890.56 is: 2,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.28 : 8,029.68 = 1,890.56 : x
  2. Step 2: Convert to fraction form
    5,353.28/8,029.68 = 1,890.56/x
  3. Step 3: Cross multiply
    5,353.28x = 8,029.68 × 1,890.56
  4. Step 4: Simplify right side
    5,353.28x = 15,180,591.82
  5. Step 5: Solve for x
    x = 15,180,591.82/5,353.28
  6. Step 6: Final answer
    x = 2,835.76

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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.