Home / 5,146.62-7,102.32-2,908.98

Finding the Fourth Proportional to 5,146.62, 7,102.32 and 2,908.98

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Solution

The fourth proportional to 5,146.62, 7,102.32 and 2,908.98 is: 4,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.62 : 7,102.32 = 2,908.98 : x
  2. Step 2: Convert to fraction form
    5,146.62/7,102.32 = 2,908.98/x
  3. Step 3: Cross multiply
    5,146.62x = 7,102.32 × 2,908.98
  4. Step 4: Simplify right side
    5,146.62x = 20,660,506.83
  5. Step 5: Solve for x
    x = 20,660,506.83/5,146.62
  6. Step 6: Final answer
    x = 4,014.38

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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.