Home / 6,969.85-10,457.44-4,198.50

Finding the Fourth Proportional to 6,969.85, 10,457.44 and 4,198.50

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Solution

The fourth proportional to 6,969.85, 10,457.44 and 4,198.50 is: 6,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.85 : 10,457.44 = 4,198.50 : x
  2. Step 2: Convert to fraction form
    6,969.85/10,457.44 = 4,198.50/x
  3. Step 3: Cross multiply
    6,969.85x = 10,457.44 × 4,198.50
  4. Step 4: Simplify right side
    6,969.85x = 43,905,551.34
  5. Step 5: Solve for x
    x = 43,905,551.34/6,969.85
  6. Step 6: Final answer
    x = 6,299.36

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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.