Home / 4,988.09-6,883.53-2,719.43

Finding the Fourth Proportional to 4,988.09, 6,883.53 and 2,719.43

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Solution

The fourth proportional to 4,988.09, 6,883.53 and 2,719.43 is: 3,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.09 : 6,883.53 = 2,719.43 : x
  2. Step 2: Convert to fraction form
    4,988.09/6,883.53 = 2,719.43/x
  3. Step 3: Cross multiply
    4,988.09x = 6,883.53 × 2,719.43
  4. Step 4: Simplify right side
    4,988.09x = 18,719,243.57
  5. Step 5: Solve for x
    x = 18,719,243.57/4,988.09
  6. Step 6: Final answer
    x = 3,752.79

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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.