Home / 4,605.36-6,906.96-1,318.56

Finding the Fourth Proportional to 4,605.36, 6,906.96 and 1,318.56

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Solution

The fourth proportional to 4,605.36, 6,906.96 and 1,318.56 is: 1,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.36 : 6,906.96 = 1,318.56 : x
  2. Step 2: Convert to fraction form
    4,605.36/6,906.96 = 1,318.56/x
  3. Step 3: Cross multiply
    4,605.36x = 6,906.96 × 1,318.56
  4. Step 4: Simplify right side
    4,605.36x = 9,107,241.18
  5. Step 5: Solve for x
    x = 9,107,241.18/4,605.36
  6. Step 6: Final answer
    x = 1,977.53

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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.