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Finding the Fourth Proportional to 5,932.07, 8,160.64 and 5,129.41

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Solution

The fourth proportional to 5,932.07, 8,160.64 and 5,129.41 is: 7,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,932.07 : 8,160.64 = 5,129.41 : x
  2. Step 2: Convert to fraction form
    5,932.07/8,160.64 = 5,129.41/x
  3. Step 3: Cross multiply
    5,932.07x = 8,160.64 × 5,129.41
  4. Step 4: Simplify right side
    5,932.07x = 41,859,268.42
  5. Step 5: Solve for x
    x = 41,859,268.42/5,932.07
  6. Step 6: Final answer
    x = 7,056.44

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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.