Home / 7,983.90-11,975.22-5,055.75

Finding the Fourth Proportional to 7,983.90, 11,975.22 and 5,055.75

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Solution

The fourth proportional to 7,983.90, 11,975.22 and 5,055.75 is: 7,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.90 : 11,975.22 = 5,055.75 : x
  2. Step 2: Convert to fraction form
    7,983.90/11,975.22 = 5,055.75/x
  3. Step 3: Cross multiply
    7,983.90x = 11,975.22 × 5,055.75
  4. Step 4: Simplify right side
    7,983.90x = 60,543,718.52
  5. Step 5: Solve for x
    x = 60,543,718.52/7,983.90
  6. Step 6: Final answer
    x = 7,583.23

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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.