Home / 6,990.67-10,487.81-2,060.15

Finding the Fourth Proportional to 6,990.67, 10,487.81 and 2,060.15

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Solution

The fourth proportional to 6,990.67, 10,487.81 and 2,060.15 is: 3,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.67 : 10,487.81 = 2,060.15 : x
  2. Step 2: Convert to fraction form
    6,990.67/10,487.81 = 2,060.15/x
  3. Step 3: Cross multiply
    6,990.67x = 10,487.81 × 2,060.15
  4. Step 4: Simplify right side
    6,990.67x = 21,606,451.47
  5. Step 5: Solve for x
    x = 21,606,451.47/6,990.67
  6. Step 6: Final answer
    x = 3,090.76

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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.