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Finding the Fourth Proportional to 5,596.40, 8,394.60 and 5,327.60

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Solution

The fourth proportional to 5,596.40, 8,394.60 and 5,327.60 is: 7,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,596.40 : 8,394.60 = 5,327.60 : x
  2. Step 2: Convert to fraction form
    5,596.40/8,394.60 = 5,327.60/x
  3. Step 3: Cross multiply
    5,596.40x = 8,394.60 × 5,327.60
  4. Step 4: Simplify right side
    5,596.40x = 44,723,070.96
  5. Step 5: Solve for x
    x = 44,723,070.96/5,596.40
  6. Step 6: Final answer
    x = 7,991.40

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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.