Home / 4,084.88-6,127.20-1,311.74

Finding the Fourth Proportional to 4,084.88, 6,127.20 and 1,311.74

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Solution

The fourth proportional to 4,084.88, 6,127.20 and 1,311.74 is: 1,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.88 : 6,127.20 = 1,311.74 : x
  2. Step 2: Convert to fraction form
    4,084.88/6,127.20 = 1,311.74/x
  3. Step 3: Cross multiply
    4,084.88x = 6,127.20 × 1,311.74
  4. Step 4: Simplify right side
    4,084.88x = 8,037,262.69
  5. Step 5: Solve for x
    x = 8,037,262.69/4,084.88
  6. Step 6: Final answer
    x = 1,967.57

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1.5x scale

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.