Home / 4,988.42-6,883.88-2,750.28

Finding the Fourth Proportional to 4,988.42, 6,883.88 and 2,750.28

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Solution

The fourth proportional to 4,988.42, 6,883.88 and 2,750.28 is: 3,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.42 : 6,883.88 = 2,750.28 : x
  2. Step 2: Convert to fraction form
    4,988.42/6,883.88 = 2,750.28/x
  3. Step 3: Cross multiply
    4,988.42x = 6,883.88 × 2,750.28
  4. Step 4: Simplify right side
    4,988.42x = 18,932,597.49
  5. Step 5: Solve for x
    x = 18,932,597.49/4,988.42
  6. Step 6: Final answer
    x = 3,795.31

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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.