Home / 6,938.84-10,409.78-2,008.68

Finding the Fourth Proportional to 6,938.84, 10,409.78 and 2,008.68

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Solution

The fourth proportional to 6,938.84, 10,409.78 and 2,008.68 is: 3,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.84 : 10,409.78 = 2,008.68 : x
  2. Step 2: Convert to fraction form
    6,938.84/10,409.78 = 2,008.68/x
  3. Step 3: Cross multiply
    6,938.84x = 10,409.78 × 2,008.68
  4. Step 4: Simplify right side
    6,938.84x = 20,909,916.89
  5. Step 5: Solve for x
    x = 20,909,916.89/6,938.84
  6. Step 6: Final answer
    x = 3,013.46

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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.