Home / 4,082.48-6,122.28-1,890.80

Finding the Fourth Proportional to 4,082.48, 6,122.28 and 1,890.80

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Solution

The fourth proportional to 4,082.48, 6,122.28 and 1,890.80 is: 2,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.48 : 6,122.28 = 1,890.80 : x
  2. Step 2: Convert to fraction form
    4,082.48/6,122.28 = 1,890.80/x
  3. Step 3: Cross multiply
    4,082.48x = 6,122.28 × 1,890.80
  4. Step 4: Simplify right side
    4,082.48x = 11,576,007.02
  5. Step 5: Solve for x
    x = 11,576,007.02/4,082.48
  6. Step 6: Final answer
    x = 2,835.53

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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.