Home / 5,213.76-7,195.02-2,855.91

Finding the Fourth Proportional to 5,213.76, 7,195.02 and 2,855.91

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Solution

The fourth proportional to 5,213.76, 7,195.02 and 2,855.91 is: 3,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.76 : 7,195.02 = 2,855.91 : x
  2. Step 2: Convert to fraction form
    5,213.76/7,195.02 = 2,855.91/x
  3. Step 3: Cross multiply
    5,213.76x = 7,195.02 × 2,855.91
  4. Step 4: Simplify right side
    5,213.76x = 20,548,329.57
  5. Step 5: Solve for x
    x = 20,548,329.57/5,213.76
  6. Step 6: Final answer
    x = 3,941.17

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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.