Home / 6,187.82-9,283.12-1,971.32

Finding the Fourth Proportional to 6,187.82, 9,283.12 and 1,971.32

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Solution

The fourth proportional to 6,187.82, 9,283.12 and 1,971.32 is: 2,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.82 : 9,283.12 = 1,971.32 : x
  2. Step 2: Convert to fraction form
    6,187.82/9,283.12 = 1,971.32/x
  3. Step 3: Cross multiply
    6,187.82x = 9,283.12 × 1,971.32
  4. Step 4: Simplify right side
    6,187.82x = 18,300,000.12
  5. Step 5: Solve for x
    x = 18,300,000.12/6,187.82
  6. Step 6: Final answer
    x = 2,957.42

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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.