Home / 6,990.90-10,496.67-4,665.39

Finding the Fourth Proportional to 6,990.90, 10,496.67 and 4,665.39

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Solution

The fourth proportional to 6,990.90, 10,496.67 and 4,665.39 is: 7,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.90 : 10,496.67 = 4,665.39 : x
  2. Step 2: Convert to fraction form
    6,990.90/10,496.67 = 4,665.39/x
  3. Step 3: Cross multiply
    6,990.90x = 10,496.67 × 4,665.39
  4. Step 4: Simplify right side
    6,990.90x = 48,971,059.25
  5. Step 5: Solve for x
    x = 48,971,059.25/6,990.90
  6. Step 6: Final answer
    x = 7,004.97

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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.