Home / 5,015.89-7,523.73-1,318.36

Finding the Fourth Proportional to 5,015.89, 7,523.73 and 1,318.36

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Solution

The fourth proportional to 5,015.89, 7,523.73 and 1,318.36 is: 1,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.89 : 7,523.73 = 1,318.36 : x
  2. Step 2: Convert to fraction form
    5,015.89/7,523.73 = 1,318.36/x
  3. Step 3: Cross multiply
    5,015.89x = 7,523.73 × 1,318.36
  4. Step 4: Simplify right side
    5,015.89x = 9,918,984.68
  5. Step 5: Solve for x
    x = 9,918,984.68/5,015.89
  6. Step 6: Final answer
    x = 1,977.51

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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.