Home / 4,186.31-6,280.44-1,412.93

Finding the Fourth Proportional to 4,186.31, 6,280.44 and 1,412.93

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Solution

The fourth proportional to 4,186.31, 6,280.44 and 1,412.93 is: 2,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.31 : 6,280.44 = 1,412.93 : x
  2. Step 2: Convert to fraction form
    4,186.31/6,280.44 = 1,412.93/x
  3. Step 3: Cross multiply
    4,186.31x = 6,280.44 × 1,412.93
  4. Step 4: Simplify right side
    4,186.31x = 8,873,822.09
  5. Step 5: Solve for x
    x = 8,873,822.09/4,186.31
  6. Step 6: Final answer
    x = 2,119.72

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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.