Home / 5,055.55-6,975.86-2,817.38

Finding the Fourth Proportional to 5,055.55, 6,975.86 and 2,817.38

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Solution

The fourth proportional to 5,055.55, 6,975.86 and 2,817.38 is: 3,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.55 : 6,975.86 = 2,817.38 : x
  2. Step 2: Convert to fraction form
    5,055.55/6,975.86 = 2,817.38/x
  3. Step 3: Cross multiply
    5,055.55x = 6,975.86 × 2,817.38
  4. Step 4: Simplify right side
    5,055.55x = 19,653,651.80
  5. Step 5: Solve for x
    x = 19,653,651.80/5,055.55
  6. Step 6: Final answer
    x = 3,887.54

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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.