Home / 6,491.64-9,735.36-2,108.16

Finding the Fourth Proportional to 6,491.64, 9,735.36 and 2,108.16

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Solution

The fourth proportional to 6,491.64, 9,735.36 and 2,108.16 is: 3,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.64 : 9,735.36 = 2,108.16 : x
  2. Step 2: Convert to fraction form
    6,491.64/9,735.36 = 2,108.16/x
  3. Step 3: Cross multiply
    6,491.64x = 9,735.36 × 2,108.16
  4. Step 4: Simplify right side
    6,491.64x = 20,523,696.54
  5. Step 5: Solve for x
    x = 20,523,696.54/6,491.64
  6. Step 6: Final answer
    x = 3,161.56

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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.