Home / 6,453.92-8,907.77-3,802.25

Finding the Fourth Proportional to 6,453.92, 8,907.77 and 3,802.25

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Solution

The fourth proportional to 6,453.92, 8,907.77 and 3,802.25 is: 5,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.92 : 8,907.77 = 3,802.25 : x
  2. Step 2: Convert to fraction form
    6,453.92/8,907.77 = 3,802.25/x
  3. Step 3: Cross multiply
    6,453.92x = 8,907.77 × 3,802.25
  4. Step 4: Simplify right side
    6,453.92x = 33,869,568.48
  5. Step 5: Solve for x
    x = 33,869,568.48/6,453.92
  6. Step 6: Final answer
    x = 5,247.91

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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.