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Finding the Fourth Proportional to 9,260.95, 12,779.99 and 5,282.13

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Solution

The fourth proportional to 9,260.95, 12,779.99 and 5,282.13 is: 7,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.95 : 12,779.99 = 5,282.13 : x
  2. Step 2: Convert to fraction form
    9,260.95/12,779.99 = 5,282.13/x
  3. Step 3: Cross multiply
    9,260.95x = 12,779.99 × 5,282.13
  4. Step 4: Simplify right side
    9,260.95x = 67,505,542.17
  5. Step 5: Solve for x
    x = 67,505,542.17/9,260.95
  6. Step 6: Final answer
    x = 7,289.27

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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.