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Finding the Fourth Proportional to 6,939.54, 10,410.12 and 6,939.54

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Solution

The fourth proportional to 6,939.54, 10,410.12 and 6,939.54 is: 10,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.54 : 10,410.12 = 6,939.54 : x
  2. Step 2: Convert to fraction form
    6,939.54/10,410.12 = 6,939.54/x
  3. Step 3: Cross multiply
    6,939.54x = 10,410.12 × 6,939.54
  4. Step 4: Simplify right side
    6,939.54x = 72,241,444.14
  5. Step 5: Solve for x
    x = 72,241,444.14/6,939.54
  6. Step 6: Final answer
    x = 10,410.12

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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.