Home / 6,681.40-10,019.03-1,936.48

Finding the Fourth Proportional to 6,681.40, 10,019.03 and 1,936.48

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Solution

The fourth proportional to 6,681.40, 10,019.03 and 1,936.48 is: 2,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.40 : 10,019.03 = 1,936.48 : x
  2. Step 2: Convert to fraction form
    6,681.40/10,019.03 = 1,936.48/x
  3. Step 3: Cross multiply
    6,681.40x = 10,019.03 × 1,936.48
  4. Step 4: Simplify right side
    6,681.40x = 19,401,591.44
  5. Step 5: Solve for x
    x = 19,401,591.44/6,681.40
  6. Step 6: Final answer
    x = 2,903.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.