Home / 4,153.77-6,230.04-1,380.38

Finding the Fourth Proportional to 4,153.77, 6,230.04 and 1,380.38

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Solution

The fourth proportional to 4,153.77, 6,230.04 and 1,380.38 is: 2,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.77 : 6,230.04 = 1,380.38 : x
  2. Step 2: Convert to fraction form
    4,153.77/6,230.04 = 1,380.38/x
  3. Step 3: Cross multiply
    4,153.77x = 6,230.04 × 1,380.38
  4. Step 4: Simplify right side
    4,153.77x = 8,599,791.47
  5. Step 5: Solve for x
    x = 8,599,791.47/4,153.77
  6. Step 6: Final answer
    x = 2,070.36

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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.