Home / 8,267.85-11,409.78-4,491.03

Finding the Fourth Proportional to 8,267.85, 11,409.78 and 4,491.03

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Solution

The fourth proportional to 8,267.85, 11,409.78 and 4,491.03 is: 6,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.85 : 11,409.78 = 4,491.03 : x
  2. Step 2: Convert to fraction form
    8,267.85/11,409.78 = 4,491.03/x
  3. Step 3: Cross multiply
    8,267.85x = 11,409.78 × 4,491.03
  4. Step 4: Simplify right side
    8,267.85x = 51,241,664.27
  5. Step 5: Solve for x
    x = 51,241,664.27/8,267.85
  6. Step 6: Final answer
    x = 6,197.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.