Home / 6,012.99-8,302.41-3,889.80

Finding the Fourth Proportional to 6,012.99, 8,302.41 and 3,889.80

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Solution

The fourth proportional to 6,012.99, 8,302.41 and 3,889.80 is: 5,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,012.99 : 8,302.41 = 3,889.80 : x
  2. Step 2: Convert to fraction form
    6,012.99/8,302.41 = 3,889.80/x
  3. Step 3: Cross multiply
    6,012.99x = 8,302.41 × 3,889.80
  4. Step 4: Simplify right side
    6,012.99x = 32,294,714.42
  5. Step 5: Solve for x
    x = 32,294,714.42/6,012.99
  6. Step 6: Final answer
    x = 5,370.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.