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Finding the Fourth Proportional to 6,994.96, 10,485.96 and 2,609.08

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Solution

The fourth proportional to 6,994.96, 10,485.96 and 2,609.08 is: 3,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.96 : 10,485.96 = 2,609.08 : x
  2. Step 2: Convert to fraction form
    6,994.96/10,485.96 = 2,609.08/x
  3. Step 3: Cross multiply
    6,994.96x = 10,485.96 × 2,609.08
  4. Step 4: Simplify right side
    6,994.96x = 27,358,708.52
  5. Step 5: Solve for x
    x = 27,358,708.52/6,994.96
  6. Step 6: Final answer
    x = 3,911.20

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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.