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Finding the Fourth Proportional to 7,666.26, 11,483.18 and 3,509.74

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Solution

The fourth proportional to 7,666.26, 11,483.18 and 3,509.74 is: 5,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.26 : 11,483.18 = 3,509.74 : x
  2. Step 2: Convert to fraction form
    7,666.26/11,483.18 = 3,509.74/x
  3. Step 3: Cross multiply
    7,666.26x = 11,483.18 × 3,509.74
  4. Step 4: Simplify right side
    7,666.26x = 40,302,976.17
  5. Step 5: Solve for x
    x = 40,302,976.17/7,666.26
  6. Step 6: Final answer
    x = 5,257.19

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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.