Home / 4,079.34-6,118.70-1,305.27

Finding the Fourth Proportional to 4,079.34, 6,118.70 and 1,305.27

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Solution

The fourth proportional to 4,079.34, 6,118.70 and 1,305.27 is: 1,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.34 : 6,118.70 = 1,305.27 : x
  2. Step 2: Convert to fraction form
    4,079.34/6,118.70 = 1,305.27/x
  3. Step 3: Cross multiply
    4,079.34x = 6,118.70 × 1,305.27
  4. Step 4: Simplify right side
    4,079.34x = 7,986,549.02
  5. Step 5: Solve for x
    x = 7,986,549.02/4,079.34
  6. Step 6: Final answer
    x = 1,957.80

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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.