Home / 4,012.72-6,017.36-1,380.48

Finding the Fourth Proportional to 4,012.72, 6,017.36 and 1,380.48

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Solution

The fourth proportional to 4,012.72, 6,017.36 and 1,380.48 is: 2,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.72 : 6,017.36 = 1,380.48 : x
  2. Step 2: Convert to fraction form
    4,012.72/6,017.36 = 1,380.48/x
  3. Step 3: Cross multiply
    4,012.72x = 6,017.36 × 1,380.48
  4. Step 4: Simplify right side
    4,012.72x = 8,306,845.13
  5. Step 5: Solve for x
    x = 8,306,845.13/4,012.72
  6. Step 6: Final answer
    x = 2,070.13

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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.