Home / 5,533.28-8,299.92-1,640.60

Finding the Fourth Proportional to 5,533.28, 8,299.92 and 1,640.60

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Solution

The fourth proportional to 5,533.28, 8,299.92 and 1,640.60 is: 2,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.28 : 8,299.92 = 1,640.60 : x
  2. Step 2: Convert to fraction form
    5,533.28/8,299.92 = 1,640.60/x
  3. Step 3: Cross multiply
    5,533.28x = 8,299.92 × 1,640.60
  4. Step 4: Simplify right side
    5,533.28x = 13,616,848.75
  5. Step 5: Solve for x
    x = 13,616,848.75/5,533.28
  6. Step 6: Final answer
    x = 2,460.90

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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.