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Finding the Fourth Proportional to 8,301.52, 11,450.08 and 5,644.20

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Solution

The fourth proportional to 8,301.52, 11,450.08 and 5,644.20 is: 7,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.52 : 11,450.08 = 5,644.20 : x
  2. Step 2: Convert to fraction form
    8,301.52/11,450.08 = 5,644.20/x
  3. Step 3: Cross multiply
    8,301.52x = 11,450.08 × 5,644.20
  4. Step 4: Simplify right side
    8,301.52x = 64,626,541.54
  5. Step 5: Solve for x
    x = 64,626,541.54/8,301.52
  6. Step 6: Final answer
    x = 7,784.90

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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.