Home / 5,891.27-8,128.90-3,339.04

Finding the Fourth Proportional to 5,891.27, 8,128.90 and 3,339.04

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Solution

The fourth proportional to 5,891.27, 8,128.90 and 3,339.04 is: 4,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.27 : 8,128.90 = 3,339.04 : x
  2. Step 2: Convert to fraction form
    5,891.27/8,128.90 = 3,339.04/x
  3. Step 3: Cross multiply
    5,891.27x = 8,128.90 × 3,339.04
  4. Step 4: Simplify right side
    5,891.27x = 27,142,693.59
  5. Step 5: Solve for x
    x = 27,142,693.59/5,891.27
  6. Step 6: Final answer
    x = 4,607.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.