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Finding the Fourth Proportional to 6,712.89, 10,069.30 and 3,013.08

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Solution

The fourth proportional to 6,712.89, 10,069.30 and 3,013.08 is: 4,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.89 : 10,069.30 = 3,013.08 : x
  2. Step 2: Convert to fraction form
    6,712.89/10,069.30 = 3,013.08/x
  3. Step 3: Cross multiply
    6,712.89x = 10,069.30 × 3,013.08
  4. Step 4: Simplify right side
    6,712.89x = 30,339,606.44
  5. Step 5: Solve for x
    x = 30,339,606.44/6,712.89
  6. Step 6: Final answer
    x = 4,519.60

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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.