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Finding the Fourth Proportional to 6,992.74, 10,486.04 and 3,705.08

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Solution

The fourth proportional to 6,992.74, 10,486.04 and 3,705.08 is: 5,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.74 : 10,486.04 = 3,705.08 : x
  2. Step 2: Convert to fraction form
    6,992.74/10,486.04 = 3,705.08/x
  3. Step 3: Cross multiply
    6,992.74x = 10,486.04 × 3,705.08
  4. Step 4: Simplify right side
    6,992.74x = 38,851,617.08
  5. Step 5: Solve for x
    x = 38,851,617.08/6,992.74
  6. Step 6: Final answer
    x = 5,555.99

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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.