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Finding the Fourth Proportional to 8,957.16, 13,433.58 and 2,801.16

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Solution

The fourth proportional to 8,957.16, 13,433.58 and 2,801.16 is: 4,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.16 : 13,433.58 = 2,801.16 : x
  2. Step 2: Convert to fraction form
    8,957.16/13,433.58 = 2,801.16/x
  3. Step 3: Cross multiply
    8,957.16x = 13,433.58 × 2,801.16
  4. Step 4: Simplify right side
    8,957.16x = 37,629,606.95
  5. Step 5: Solve for x
    x = 37,629,606.95/8,957.16
  6. Step 6: Final answer
    x = 4,201.06

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1.5x scale

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.