Home / 3,911.04-5,358.60-3,862.44

Finding the Fourth Proportional to 3,911.04, 5,358.60 and 3,862.44

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Solution

The fourth proportional to 3,911.04, 5,358.60 and 3,862.44 is: 5,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.04 : 5,358.60 = 3,862.44 : x
  2. Step 2: Convert to fraction form
    3,911.04/5,358.60 = 3,862.44/x
  3. Step 3: Cross multiply
    3,911.04x = 5,358.60 × 3,862.44
  4. Step 4: Simplify right side
    3,911.04x = 20,697,270.98
  5. Step 5: Solve for x
    x = 20,697,270.98/3,911.04
  6. Step 6: Final answer
    x = 5,292.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.