Home / 4,391.36-6,586.12-1,271.36

Finding the Fourth Proportional to 4,391.36, 6,586.12 and 1,271.36

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Solution

The fourth proportional to 4,391.36, 6,586.12 and 1,271.36 is: 1,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.36 : 6,586.12 = 1,271.36 : x
  2. Step 2: Convert to fraction form
    4,391.36/6,586.12 = 1,271.36/x
  3. Step 3: Cross multiply
    4,391.36x = 6,586.12 × 1,271.36
  4. Step 4: Simplify right side
    4,391.36x = 8,373,329.52
  5. Step 5: Solve for x
    x = 8,373,329.52/4,391.36
  6. Step 6: Final answer
    x = 1,906.77

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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.