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Finding the Fourth Proportional to 4,937.44, 6,813.07 and 2,812.98

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Solution

The fourth proportional to 4,937.44, 6,813.07 and 2,812.98 is: 3,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.44 : 6,813.07 = 2,812.98 : x
  2. Step 2: Convert to fraction form
    4,937.44/6,813.07 = 2,812.98/x
  3. Step 3: Cross multiply
    4,937.44x = 6,813.07 × 2,812.98
  4. Step 4: Simplify right side
    4,937.44x = 19,165,029.65
  5. Step 5: Solve for x
    x = 19,165,029.65/4,937.44
  6. Step 6: Final answer
    x = 3,881.57

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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.