Home / 6,858.23-10,287.72-1,927.48

Finding the Fourth Proportional to 6,858.23, 10,287.72 and 1,927.48

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Solution

The fourth proportional to 6,858.23, 10,287.72 and 1,927.48 is: 2,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.23 : 10,287.72 = 1,927.48 : x
  2. Step 2: Convert to fraction form
    6,858.23/10,287.72 = 1,927.48/x
  3. Step 3: Cross multiply
    6,858.23x = 10,287.72 × 1,927.48
  4. Step 4: Simplify right side
    6,858.23x = 19,829,368.12
  5. Step 5: Solve for x
    x = 19,829,368.12/6,858.23
  6. Step 6: Final answer
    x = 2,891.33

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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.