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Finding the Fourth Proportional to 5,101.96, 7,040.10 and 3,005.32

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Solution

The fourth proportional to 5,101.96, 7,040.10 and 3,005.32 is: 4,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.96 : 7,040.10 = 3,005.32 : x
  2. Step 2: Convert to fraction form
    5,101.96/7,040.10 = 3,005.32/x
  3. Step 3: Cross multiply
    5,101.96x = 7,040.10 × 3,005.32
  4. Step 4: Simplify right side
    5,101.96x = 21,157,753.33
  5. Step 5: Solve for x
    x = 21,157,753.33/5,101.96
  6. Step 6: Final answer
    x = 4,146.99

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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.