Home / 6,453.12-8,904.66-3,801.18

Finding the Fourth Proportional to 6,453.12, 8,904.66 and 3,801.18

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Solution

The fourth proportional to 6,453.12, 8,904.66 and 3,801.18 is: 5,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.12 : 8,904.66 = 3,801.18 : x
  2. Step 2: Convert to fraction form
    6,453.12/8,904.66 = 3,801.18/x
  3. Step 3: Cross multiply
    6,453.12x = 8,904.66 × 3,801.18
  4. Step 4: Simplify right side
    6,453.12x = 33,848,215.50
  5. Step 5: Solve for x
    x = 33,848,215.50/6,453.12
  6. Step 6: Final answer
    x = 5,245.25

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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.