Home / 4,126.57-6,191.27-1,205.30

Finding the Fourth Proportional to 4,126.57, 6,191.27 and 1,205.30

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Solution

The fourth proportional to 4,126.57, 6,191.27 and 1,205.30 is: 1,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.57 : 6,191.27 = 1,205.30 : x
  2. Step 2: Convert to fraction form
    4,126.57/6,191.27 = 1,205.30/x
  3. Step 3: Cross multiply
    4,126.57x = 6,191.27 × 1,205.30
  4. Step 4: Simplify right side
    4,126.57x = 7,462,337.73
  5. Step 5: Solve for x
    x = 7,462,337.73/4,126.57
  6. Step 6: Final answer
    x = 1,808.36

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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.