Home / 5,055.73-6,976.87-2,817.47

Finding the Fourth Proportional to 5,055.73, 6,976.87 and 2,817.47

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Solution

The fourth proportional to 5,055.73, 6,976.87 and 2,817.47 is: 3,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.73 : 6,976.87 = 2,817.47 : x
  2. Step 2: Convert to fraction form
    5,055.73/6,976.87 = 2,817.47/x
  3. Step 3: Cross multiply
    5,055.73x = 6,976.87 × 2,817.47
  4. Step 4: Simplify right side
    5,055.73x = 19,657,134.39
  5. Step 5: Solve for x
    x = 19,657,134.39/5,055.73
  6. Step 6: Final answer
    x = 3,888.09

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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.