Home / 5,039.84-6,952.56-3,918.80

Finding the Fourth Proportional to 5,039.84, 6,952.56 and 3,918.80

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Solution

The fourth proportional to 5,039.84, 6,952.56 and 3,918.80 is: 5,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.84 : 6,952.56 = 3,918.80 : x
  2. Step 2: Convert to fraction form
    5,039.84/6,952.56 = 3,918.80/x
  3. Step 3: Cross multiply
    5,039.84x = 6,952.56 × 3,918.80
  4. Step 4: Simplify right side
    5,039.84x = 27,245,692.13
  5. Step 5: Solve for x
    x = 27,245,692.13/5,039.84
  6. Step 6: Final answer
    x = 5,406.06

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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.