Home / 4,001.56-5,997.84-1,918.69

Finding the Fourth Proportional to 4,001.56, 5,997.84 and 1,918.69

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Solution

The fourth proportional to 4,001.56, 5,997.84 and 1,918.69 is: 2,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.56 : 5,997.84 = 1,918.69 : x
  2. Step 2: Convert to fraction form
    4,001.56/5,997.84 = 1,918.69/x
  3. Step 3: Cross multiply
    4,001.56x = 5,997.84 × 1,918.69
  4. Step 4: Simplify right side
    4,001.56x = 11,507,995.63
  5. Step 5: Solve for x
    x = 11,507,995.63/4,001.56
  6. Step 6: Final answer
    x = 2,875.88

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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.