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Finding the Fourth Proportional to 7,602.35, 11,400.62 and 3,652.51

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Solution

The fourth proportional to 7,602.35, 11,400.62 and 3,652.51 is: 5,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.35 : 11,400.62 = 3,652.51 : x
  2. Step 2: Convert to fraction form
    7,602.35/11,400.62 = 3,652.51/x
  3. Step 3: Cross multiply
    7,602.35x = 11,400.62 × 3,652.51
  4. Step 4: Simplify right side
    7,602.35x = 41,640,831.79
  5. Step 5: Solve for x
    x = 41,640,831.79/7,602.35
  6. Step 6: Final answer
    x = 5,477.37

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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.