Home / 4,938.68-6,815.18-2,843.16

Finding the Fourth Proportional to 4,938.68, 6,815.18 and 2,843.16

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Solution

The fourth proportional to 4,938.68, 6,815.18 and 2,843.16 is: 3,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.68 : 6,815.18 = 2,843.16 : x
  2. Step 2: Convert to fraction form
    4,938.68/6,815.18 = 2,843.16/x
  3. Step 3: Cross multiply
    4,938.68x = 6,815.18 × 2,843.16
  4. Step 4: Simplify right side
    4,938.68x = 19,376,647.17
  5. Step 5: Solve for x
    x = 19,376,647.17/4,938.68
  6. Step 6: Final answer
    x = 3,923.45

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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.