Home / 4,181.14-6,271.80-1,407.91

Finding the Fourth Proportional to 4,181.14, 6,271.80 and 1,407.91

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Solution

The fourth proportional to 4,181.14, 6,271.80 and 1,407.91 is: 2,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.14 : 6,271.80 = 1,407.91 : x
  2. Step 2: Convert to fraction form
    4,181.14/6,271.80 = 1,407.91/x
  3. Step 3: Cross multiply
    4,181.14x = 6,271.80 × 1,407.91
  4. Step 4: Simplify right side
    4,181.14x = 8,830,129.94
  5. Step 5: Solve for x
    x = 8,830,129.94/4,181.14
  6. Step 6: Final answer
    x = 2,111.90

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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.