Home / 5,894.10-8,119.65-4,122.90

Finding the Fourth Proportional to 5,894.10, 8,119.65 and 4,122.90

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Solution

The fourth proportional to 5,894.10, 8,119.65 and 4,122.90 is: 5,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,894.10 : 8,119.65 = 4,122.90 : x
  2. Step 2: Convert to fraction form
    5,894.10/8,119.65 = 4,122.90/x
  3. Step 3: Cross multiply
    5,894.10x = 8,119.65 × 4,122.90
  4. Step 4: Simplify right side
    5,894.10x = 33,476,504.99
  5. Step 5: Solve for x
    x = 33,476,504.99/5,894.10
  6. Step 6: Final answer
    x = 5,679.66

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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.