Home / 6,453.42-8,907.08-3,801.75

Finding the Fourth Proportional to 6,453.42, 8,907.08 and 3,801.75

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Solution

The fourth proportional to 6,453.42, 8,907.08 and 3,801.75 is: 5,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.42 : 8,907.08 = 3,801.75 : x
  2. Step 2: Convert to fraction form
    6,453.42/8,907.08 = 3,801.75/x
  3. Step 3: Cross multiply
    6,453.42x = 8,907.08 × 3,801.75
  4. Step 4: Simplify right side
    6,453.42x = 33,862,472.38
  5. Step 5: Solve for x
    x = 33,862,472.38/6,453.42
  6. Step 6: Final answer
    x = 5,247.21

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Half scale
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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.