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Finding the Fourth Proportional to 5,784.60, 8,674.74 and 2,320.68

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Solution

The fourth proportional to 5,784.60, 8,674.74 and 2,320.68 is: 3,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.60 : 8,674.74 = 2,320.68 : x
  2. Step 2: Convert to fraction form
    5,784.60/8,674.74 = 2,320.68/x
  3. Step 3: Cross multiply
    5,784.60x = 8,674.74 × 2,320.68
  4. Step 4: Simplify right side
    5,784.60x = 20,131,295.62
  5. Step 5: Solve for x
    x = 20,131,295.62/5,784.60
  6. Step 6: Final answer
    x = 3,480.15

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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.