Home / 6,968.81-10,453.12-2,808.72

Finding the Fourth Proportional to 6,968.81, 10,453.12 and 2,808.72

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Solution

The fourth proportional to 6,968.81, 10,453.12 and 2,808.72 is: 4,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.81 : 10,453.12 = 2,808.72 : x
  2. Step 2: Convert to fraction form
    6,968.81/10,453.12 = 2,808.72/x
  3. Step 3: Cross multiply
    6,968.81x = 10,453.12 × 2,808.72
  4. Step 4: Simplify right side
    6,968.81x = 29,359,880.18
  5. Step 5: Solve for x
    x = 29,359,880.18/6,968.81
  6. Step 6: Final answer
    x = 4,213.04

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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.