Home / 5,927.96-8,890.82-1,979.28

Finding the Fourth Proportional to 5,927.96, 8,890.82 and 1,979.28

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Solution

The fourth proportional to 5,927.96, 8,890.82 and 1,979.28 is: 2,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.96 : 8,890.82 = 1,979.28 : x
  2. Step 2: Convert to fraction form
    5,927.96/8,890.82 = 1,979.28/x
  3. Step 3: Cross multiply
    5,927.96x = 8,890.82 × 1,979.28
  4. Step 4: Simplify right side
    5,927.96x = 17,597,422.21
  5. Step 5: Solve for x
    x = 17,597,422.21/5,927.96
  6. Step 6: Final answer
    x = 2,968.55

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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.