Home / 6,857.69-10,284.93-1,927.80

Finding the Fourth Proportional to 6,857.69, 10,284.93 and 1,927.80

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Solution

The fourth proportional to 6,857.69, 10,284.93 and 1,927.80 is: 2,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.69 : 10,284.93 = 1,927.80 : x
  2. Step 2: Convert to fraction form
    6,857.69/10,284.93 = 1,927.80/x
  3. Step 3: Cross multiply
    6,857.69x = 10,284.93 × 1,927.80
  4. Step 4: Simplify right side
    6,857.69x = 19,827,288.05
  5. Step 5: Solve for x
    x = 19,827,288.05/6,857.69
  6. Step 6: Final answer
    x = 2,891.25

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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.