Home / 4,839.49-6,679.05-2,715.60

Finding the Fourth Proportional to 4,839.49, 6,679.05 and 2,715.60

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Solution

The fourth proportional to 4,839.49, 6,679.05 and 2,715.60 is: 3,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.49 : 6,679.05 = 2,715.60 : x
  2. Step 2: Convert to fraction form
    4,839.49/6,679.05 = 2,715.60/x
  3. Step 3: Cross multiply
    4,839.49x = 6,679.05 × 2,715.60
  4. Step 4: Simplify right side
    4,839.49x = 18,137,628.18
  5. Step 5: Solve for x
    x = 18,137,628.18/4,839.49
  6. Step 6: Final answer
    x = 3,747.84

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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.