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Finding the Fourth Proportional to 5,455.78, 7,536.09 and 4,411.78

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Solution

The fourth proportional to 5,455.78, 7,536.09 and 4,411.78 is: 6,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.78 : 7,536.09 = 4,411.78 : x
  2. Step 2: Convert to fraction form
    5,455.78/7,536.09 = 4,411.78/x
  3. Step 3: Cross multiply
    5,455.78x = 7,536.09 × 4,411.78
  4. Step 4: Simplify right side
    5,455.78x = 33,247,571.14
  5. Step 5: Solve for x
    x = 33,247,571.14/5,455.78
  6. Step 6: Final answer
    x = 6,094.01

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1.5x scale

Why These Related Problems?

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