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Finding the Fourth Proportional to 5,483.60, 8,212.94 and 4,499.45

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Solution

The fourth proportional to 5,483.60, 8,212.94 and 4,499.45 is: 6,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.60 : 8,212.94 = 4,499.45 : x
  2. Step 2: Convert to fraction form
    5,483.60/8,212.94 = 4,499.45/x
  3. Step 3: Cross multiply
    5,483.60x = 8,212.94 × 4,499.45
  4. Step 4: Simplify right side
    5,483.60x = 36,953,722.30
  5. Step 5: Solve for x
    x = 36,953,722.30/5,483.60
  6. Step 6: Final answer
    x = 6,738.95

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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.