Home / 4,121.57-6,182.90-1,347.27

Finding the Fourth Proportional to 4,121.57, 6,182.90 and 1,347.27

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Solution

The fourth proportional to 4,121.57, 6,182.90 and 1,347.27 is: 2,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.57 : 6,182.90 = 1,347.27 : x
  2. Step 2: Convert to fraction form
    4,121.57/6,182.90 = 1,347.27/x
  3. Step 3: Cross multiply
    4,121.57x = 6,182.90 × 1,347.27
  4. Step 4: Simplify right side
    4,121.57x = 8,330,010.81
  5. Step 5: Solve for x
    x = 8,330,010.81/4,121.57
  6. Step 6: Final answer
    x = 2,021.08

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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.