Home / 4,012.80-6,003.36-3,389.52

Finding the Fourth Proportional to 4,012.80, 6,003.36 and 3,389.52

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Solution

The fourth proportional to 4,012.80, 6,003.36 and 3,389.52 is: 5,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.80 : 6,003.36 = 3,389.52 : x
  2. Step 2: Convert to fraction form
    4,012.80/6,003.36 = 3,389.52/x
  3. Step 3: Cross multiply
    4,012.80x = 6,003.36 × 3,389.52
  4. Step 4: Simplify right side
    4,012.80x = 20,348,508.79
  5. Step 5: Solve for x
    x = 20,348,508.79/4,012.80
  6. Step 6: Final answer
    x = 5,070.90

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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.