Home / 5,358.23-8,039.46-1,660.75

Finding the Fourth Proportional to 5,358.23, 8,039.46 and 1,660.75

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Solution

The fourth proportional to 5,358.23, 8,039.46 and 1,660.75 is: 2,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.23 : 8,039.46 = 1,660.75 : x
  2. Step 2: Convert to fraction form
    5,358.23/8,039.46 = 1,660.75/x
  3. Step 3: Cross multiply
    5,358.23x = 8,039.46 × 1,660.75
  4. Step 4: Simplify right side
    5,358.23x = 13,351,533.20
  5. Step 5: Solve for x
    x = 13,351,533.20/5,358.23
  6. Step 6: Final answer
    x = 2,491.78

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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.