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Finding the Fourth Proportional to 7,605, 11,409.66 and 2,411.01

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Solution

The fourth proportional to 7,605, 11,409.66 and 2,411.01 is: 3,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605 : 11,409.66 = 2,411.01 : x
  2. Step 2: Convert to fraction form
    7,605/11,409.66 = 2,411.01/x
  3. Step 3: Cross multiply
    7,605x = 11,409.66 × 2,411.01
  4. Step 4: Simplify right side
    7,605x = 27,508,804.36
  5. Step 5: Solve for x
    x = 27,508,804.36/7,605
  6. Step 6: Final answer
    x = 3,617.20

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Why These Related Problems?

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