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Finding the Fourth Proportional to 6,999.82, 10,500.74 and 2,318.29

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Solution

The fourth proportional to 6,999.82, 10,500.74 and 2,318.29 is: 3,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.82 : 10,500.74 = 2,318.29 : x
  2. Step 2: Convert to fraction form
    6,999.82/10,500.74 = 2,318.29/x
  3. Step 3: Cross multiply
    6,999.82x = 10,500.74 × 2,318.29
  4. Step 4: Simplify right side
    6,999.82x = 24,343,731.38
  5. Step 5: Solve for x
    x = 24,343,731.38/6,999.82
  6. Step 6: Final answer
    x = 3,477.77

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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.