Home / 5,072.21-7,008.59-3,903.38

Finding the Fourth Proportional to 5,072.21, 7,008.59 and 3,903.38

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Solution

The fourth proportional to 5,072.21, 7,008.59 and 3,903.38 is: 5,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.21 : 7,008.59 = 3,903.38 : x
  2. Step 2: Convert to fraction form
    5,072.21/7,008.59 = 3,903.38/x
  3. Step 3: Cross multiply
    5,072.21x = 7,008.59 × 3,903.38
  4. Step 4: Simplify right side
    5,072.21x = 27,357,190.03
  5. Step 5: Solve for x
    x = 27,357,190.03/5,072.21
  6. Step 6: Final answer
    x = 5,393.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.