Home / 5,001.81-7,507.27-2,663.78

Finding the Fourth Proportional to 5,001.81, 7,507.27 and 2,663.78

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Solution

The fourth proportional to 5,001.81, 7,507.27 and 2,663.78 is: 3,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.81 : 7,507.27 = 2,663.78 : x
  2. Step 2: Convert to fraction form
    5,001.81/7,507.27 = 2,663.78/x
  3. Step 3: Cross multiply
    5,001.81x = 7,507.27 × 2,663.78
  4. Step 4: Simplify right side
    5,001.81x = 19,997,690.25
  5. Step 5: Solve for x
    x = 19,997,690.25/5,001.81
  6. Step 6: Final answer
    x = 3,998.09

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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.