Home / 4,211.02-6,314.30-1,288.54

Finding the Fourth Proportional to 4,211.02, 6,314.30 and 1,288.54

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Solution

The fourth proportional to 4,211.02, 6,314.30 and 1,288.54 is: 1,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.02 : 6,314.30 = 1,288.54 : x
  2. Step 2: Convert to fraction form
    4,211.02/6,314.30 = 1,288.54/x
  3. Step 3: Cross multiply
    4,211.02x = 6,314.30 × 1,288.54
  4. Step 4: Simplify right side
    4,211.02x = 8,136,234.40
  5. Step 5: Solve for x
    x = 8,136,234.40/4,211.02
  6. Step 6: Final answer
    x = 1,932.13

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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.