Home / 6,968.90-10,453.50-1,774.78

Finding the Fourth Proportional to 6,968.90, 10,453.50 and 1,774.78

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Solution

The fourth proportional to 6,968.90, 10,453.50 and 1,774.78 is: 2,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.90 : 10,453.50 = 1,774.78 : x
  2. Step 2: Convert to fraction form
    6,968.90/10,453.50 = 1,774.78/x
  3. Step 3: Cross multiply
    6,968.90x = 10,453.50 × 1,774.78
  4. Step 4: Simplify right side
    6,968.90x = 18,552,662.73
  5. Step 5: Solve for x
    x = 18,552,662.73/6,968.90
  6. Step 6: Final answer
    x = 2,662.21

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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.