Home / 8,321.07-11,491.29-6,549.60

Finding the Fourth Proportional to 8,321.07, 11,491.29 and 6,549.60

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Solution

The fourth proportional to 8,321.07, 11,491.29 and 6,549.60 is: 9,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.07 : 11,491.29 = 6,549.60 : x
  2. Step 2: Convert to fraction form
    8,321.07/11,491.29 = 6,549.60/x
  3. Step 3: Cross multiply
    8,321.07x = 11,491.29 × 6,549.60
  4. Step 4: Simplify right side
    8,321.07x = 75,263,352.98
  5. Step 5: Solve for x
    x = 75,263,352.98/8,321.07
  6. Step 6: Final answer
    x = 9,044.91

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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.