Home / 6,795.40-10,191.30-2,115.40

Finding the Fourth Proportional to 6,795.40, 10,191.30 and 2,115.40

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Solution

The fourth proportional to 6,795.40, 10,191.30 and 2,115.40 is: 3,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,795.40 : 10,191.30 = 2,115.40 : x
  2. Step 2: Convert to fraction form
    6,795.40/10,191.30 = 2,115.40/x
  3. Step 3: Cross multiply
    6,795.40x = 10,191.30 × 2,115.40
  4. Step 4: Simplify right side
    6,795.40x = 21,558,676.02
  5. Step 5: Solve for x
    x = 21,558,676.02/6,795.40
  6. Step 6: Final answer
    x = 3,172.54

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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.