Home / 4,181.32-6,272.16-1,407.88

Finding the Fourth Proportional to 4,181.32, 6,272.16 and 1,407.88

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Solution

The fourth proportional to 4,181.32, 6,272.16 and 1,407.88 is: 2,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.32 : 6,272.16 = 1,407.88 : x
  2. Step 2: Convert to fraction form
    4,181.32/6,272.16 = 1,407.88/x
  3. Step 3: Cross multiply
    4,181.32x = 6,272.16 × 1,407.88
  4. Step 4: Simplify right side
    4,181.32x = 8,830,448.62
  5. Step 5: Solve for x
    x = 8,830,448.62/4,181.32
  6. Step 6: Final answer
    x = 2,111.88

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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.