Home / 5,055.44-6,975.86-2,817.15

Finding the Fourth Proportional to 5,055.44, 6,975.86 and 2,817.15

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Solution

The fourth proportional to 5,055.44, 6,975.86 and 2,817.15 is: 3,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.44 : 6,975.86 = 2,817.15 : x
  2. Step 2: Convert to fraction form
    5,055.44/6,975.86 = 2,817.15/x
  3. Step 3: Cross multiply
    5,055.44x = 6,975.86 × 2,817.15
  4. Step 4: Simplify right side
    5,055.44x = 19,652,029.91
  5. Step 5: Solve for x
    x = 19,652,029.91/5,055.44
  6. Step 6: Final answer
    x = 3,887.31

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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.