Home / 8,099.63-11,142.36-6,604.28

Finding the Fourth Proportional to 8,099.63, 11,142.36 and 6,604.28

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Solution

The fourth proportional to 8,099.63, 11,142.36 and 6,604.28 is: 9,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.63 : 11,142.36 = 6,604.28 : x
  2. Step 2: Convert to fraction form
    8,099.63/11,142.36 = 6,604.28/x
  3. Step 3: Cross multiply
    8,099.63x = 11,142.36 × 6,604.28
  4. Step 4: Simplify right side
    8,099.63x = 73,587,265.30
  5. Step 5: Solve for x
    x = 73,587,265.30/8,099.63
  6. Step 6: Final answer
    x = 9,085.26

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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.