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Finding the Fourth Proportional to 9,020.25, 12,447.99 and 5,482.80

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Solution

The fourth proportional to 9,020.25, 12,447.99 and 5,482.80 is: 7,566.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.25 : 12,447.99 = 5,482.80 : x
  2. Step 2: Convert to fraction form
    9,020.25/12,447.99 = 5,482.80/x
  3. Step 3: Cross multiply
    9,020.25x = 12,447.99 × 5,482.80
  4. Step 4: Simplify right side
    9,020.25x = 68,249,839.57
  5. Step 5: Solve for x
    x = 68,249,839.57/9,020.25
  6. Step 6: Final answer
    x = 7,566.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.