Home / 4,142.06-6,211.40-2,061.30

Finding the Fourth Proportional to 4,142.06, 6,211.40 and 2,061.30

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Solution

The fourth proportional to 4,142.06, 6,211.40 and 2,061.30 is: 3,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.06 : 6,211.40 = 2,061.30 : x
  2. Step 2: Convert to fraction form
    4,142.06/6,211.40 = 2,061.30/x
  3. Step 3: Cross multiply
    4,142.06x = 6,211.40 × 2,061.30
  4. Step 4: Simplify right side
    4,142.06x = 12,803,558.82
  5. Step 5: Solve for x
    x = 12,803,558.82/4,142.06
  6. Step 6: Final answer
    x = 3,091.11

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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.