Home / 4,009.21-6,012.91-1,927.92

Finding the Fourth Proportional to 4,009.21, 6,012.91 and 1,927.92

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Solution

The fourth proportional to 4,009.21, 6,012.91 and 1,927.92 is: 2,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.21 : 6,012.91 = 1,927.92 : x
  2. Step 2: Convert to fraction form
    4,009.21/6,012.91 = 1,927.92/x
  3. Step 3: Cross multiply
    4,009.21x = 6,012.91 × 1,927.92
  4. Step 4: Simplify right side
    4,009.21x = 11,592,409.45
  5. Step 5: Solve for x
    x = 11,592,409.45/4,009.21
  6. Step 6: Final answer
    x = 2,891.44

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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.