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Finding the Fourth Proportional to 5,793.60, 8,690.40 and 3,460.80

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Solution

The fourth proportional to 5,793.60, 8,690.40 and 3,460.80 is: 5,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793.60 : 8,690.40 = 3,460.80 : x
  2. Step 2: Convert to fraction form
    5,793.60/8,690.40 = 3,460.80/x
  3. Step 3: Cross multiply
    5,793.60x = 8,690.40 × 3,460.80
  4. Step 4: Simplify right side
    5,793.60x = 30,075,736.32
  5. Step 5: Solve for x
    x = 30,075,736.32/5,793.60
  6. Step 6: Final answer
    x = 5,191.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.