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Finding the Fourth Proportional to 5,599.63, 8,404.65 and 2,828.25

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Solution

The fourth proportional to 5,599.63, 8,404.65 and 2,828.25 is: 4,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.63 : 8,404.65 = 2,828.25 : x
  2. Step 2: Convert to fraction form
    5,599.63/8,404.65 = 2,828.25/x
  3. Step 3: Cross multiply
    5,599.63x = 8,404.65 × 2,828.25
  4. Step 4: Simplify right side
    5,599.63x = 23,770,454.80
  5. Step 5: Solve for x
    x = 23,770,454.80/5,599.63
  6. Step 6: Final answer
    x = 4,245.00

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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.