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Finding the Fourth Proportional to 5,482.87, 8,224.40 and 1,785.08

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Solution

The fourth proportional to 5,482.87, 8,224.40 and 1,785.08 is: 2,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.87 : 8,224.40 = 1,785.08 : x
  2. Step 2: Convert to fraction form
    5,482.87/8,224.40 = 1,785.08/x
  3. Step 3: Cross multiply
    5,482.87x = 8,224.40 × 1,785.08
  4. Step 4: Simplify right side
    5,482.87x = 14,681,236.98
  5. Step 5: Solve for x
    x = 14,681,236.98/5,482.87
  6. Step 6: Final answer
    x = 2,677.66

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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.