Home / 5,890.19-8,128.43-3,372.25

Finding the Fourth Proportional to 5,890.19, 8,128.43 and 3,372.25

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Solution

The fourth proportional to 5,890.19, 8,128.43 and 3,372.25 is: 4,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.19 : 8,128.43 = 3,372.25 : x
  2. Step 2: Convert to fraction form
    5,890.19/8,128.43 = 3,372.25/x
  3. Step 3: Cross multiply
    5,890.19x = 8,128.43 × 3,372.25
  4. Step 4: Simplify right side
    5,890.19x = 27,411,107.74
  5. Step 5: Solve for x
    x = 27,411,107.74/5,890.19
  6. Step 6: Final answer
    x = 4,653.69

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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.