Home / 5,533.20-8,298.78-1,636.68

Finding the Fourth Proportional to 5,533.20, 8,298.78 and 1,636.68

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Solution

The fourth proportional to 5,533.20, 8,298.78 and 1,636.68 is: 2,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.20 : 8,298.78 = 1,636.68 : x
  2. Step 2: Convert to fraction form
    5,533.20/8,298.78 = 1,636.68/x
  3. Step 3: Cross multiply
    5,533.20x = 8,298.78 × 1,636.68
  4. Step 4: Simplify right side
    5,533.20x = 13,582,447.25
  5. Step 5: Solve for x
    x = 13,582,447.25/5,533.20
  6. Step 6: Final answer
    x = 2,454.72

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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.