Home / 4,959.56-7,438.61-1,448.64

Finding the Fourth Proportional to 4,959.56, 7,438.61 and 1,448.64

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Solution

The fourth proportional to 4,959.56, 7,438.61 and 1,448.64 is: 2,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.56 : 7,438.61 = 1,448.64 : x
  2. Step 2: Convert to fraction form
    4,959.56/7,438.61 = 1,448.64/x
  3. Step 3: Cross multiply
    4,959.56x = 7,438.61 × 1,448.64
  4. Step 4: Simplify right side
    4,959.56x = 10,775,860.75
  5. Step 5: Solve for x
    x = 10,775,860.75/4,959.56
  6. Step 6: Final answer
    x = 2,172.75

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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.