Home / 5,076.16-7,603.96-3,975.28

Finding the Fourth Proportional to 5,076.16, 7,603.96 and 3,975.28

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Solution

The fourth proportional to 5,076.16, 7,603.96 and 3,975.28 is: 5,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.16 : 7,603.96 = 3,975.28 : x
  2. Step 2: Convert to fraction form
    5,076.16/7,603.96 = 3,975.28/x
  3. Step 3: Cross multiply
    5,076.16x = 7,603.96 × 3,975.28
  4. Step 4: Simplify right side
    5,076.16x = 30,227,870.11
  5. Step 5: Solve for x
    x = 30,227,870.11/5,076.16
  6. Step 6: Final answer
    x = 5,954.87

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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.