Home / 5,149.04-7,106.03-2,911.12

Finding the Fourth Proportional to 5,149.04, 7,106.03 and 2,911.12

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Solution

The fourth proportional to 5,149.04, 7,106.03 and 2,911.12 is: 4,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.04 : 7,106.03 = 2,911.12 : x
  2. Step 2: Convert to fraction form
    5,149.04/7,106.03 = 2,911.12/x
  3. Step 3: Cross multiply
    5,149.04x = 7,106.03 × 2,911.12
  4. Step 4: Simplify right side
    5,149.04x = 20,686,495.57
  5. Step 5: Solve for x
    x = 20,686,495.57/5,149.04
  6. Step 6: Final answer
    x = 4,017.55

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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.