Home / 4,839.38-6,678.34-2,851.16

Finding the Fourth Proportional to 4,839.38, 6,678.34 and 2,851.16

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Solution

The fourth proportional to 4,839.38, 6,678.34 and 2,851.16 is: 3,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.38 : 6,678.34 = 2,851.16 : x
  2. Step 2: Convert to fraction form
    4,839.38/6,678.34 = 2,851.16/x
  3. Step 3: Cross multiply
    4,839.38x = 6,678.34 × 2,851.16
  4. Step 4: Simplify right side
    4,839.38x = 19,041,015.87
  5. Step 5: Solve for x
    x = 19,041,015.87/4,839.38
  6. Step 6: Final answer
    x = 3,934.60

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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.