Home / 5,214.26-7,195.40-2,855.94

Finding the Fourth Proportional to 5,214.26, 7,195.40 and 2,855.94

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Solution

The fourth proportional to 5,214.26, 7,195.40 and 2,855.94 is: 3,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.26 : 7,195.40 = 2,855.94 : x
  2. Step 2: Convert to fraction form
    5,214.26/7,195.40 = 2,855.94/x
  3. Step 3: Cross multiply
    5,214.26x = 7,195.40 × 2,855.94
  4. Step 4: Simplify right side
    5,214.26x = 20,549,616.40
  5. Step 5: Solve for x
    x = 20,549,616.40/5,214.26
  6. Step 6: Final answer
    x = 3,941.05

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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.