Home / 4,186.36-6,280.50-1,412.95

Finding the Fourth Proportional to 4,186.36, 6,280.50 and 1,412.95

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Solution

The fourth proportional to 4,186.36, 6,280.50 and 1,412.95 is: 2,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.36 : 6,280.50 = 1,412.95 : x
  2. Step 2: Convert to fraction form
    4,186.36/6,280.50 = 1,412.95/x
  3. Step 3: Cross multiply
    4,186.36x = 6,280.50 × 1,412.95
  4. Step 4: Simplify right side
    4,186.36x = 8,874,032.48
  5. Step 5: Solve for x
    x = 8,874,032.48/4,186.36
  6. Step 6: Final answer
    x = 2,119.75

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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.