Home / 4,681.46-7,022.87-1,908.30

Finding the Fourth Proportional to 4,681.46, 7,022.87 and 1,908.30

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Solution

The fourth proportional to 4,681.46, 7,022.87 and 1,908.30 is: 2,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.46 : 7,022.87 = 1,908.30 : x
  2. Step 2: Convert to fraction form
    4,681.46/7,022.87 = 1,908.30/x
  3. Step 3: Cross multiply
    4,681.46x = 7,022.87 × 1,908.30
  4. Step 4: Simplify right side
    4,681.46x = 13,401,747.59
  5. Step 5: Solve for x
    x = 13,401,747.59/4,681.46
  6. Step 6: Final answer
    x = 2,862.73

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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.