Home / 6,149.61-9,222.36-1,988.49

Finding the Fourth Proportional to 6,149.61, 9,222.36 and 1,988.49

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Solution

The fourth proportional to 6,149.61, 9,222.36 and 1,988.49 is: 2,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.61 : 9,222.36 = 1,988.49 : x
  2. Step 2: Convert to fraction form
    6,149.61/9,222.36 = 1,988.49/x
  3. Step 3: Cross multiply
    6,149.61x = 9,222.36 × 1,988.49
  4. Step 4: Simplify right side
    6,149.61x = 18,338,570.64
  5. Step 5: Solve for x
    x = 18,338,570.64/6,149.61
  6. Step 6: Final answer
    x = 2,982.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.