Home / 9,180.43-12,669.29-4,988.68

Finding the Fourth Proportional to 9,180.43, 12,669.29 and 4,988.68

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Solution

The fourth proportional to 9,180.43, 12,669.29 and 4,988.68 is: 6,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.43 : 12,669.29 = 4,988.68 : x
  2. Step 2: Convert to fraction form
    9,180.43/12,669.29 = 4,988.68/x
  3. Step 3: Cross multiply
    9,180.43x = 12,669.29 × 4,988.68
  4. Step 4: Simplify right side
    9,180.43x = 63,203,033.64
  5. Step 5: Solve for x
    x = 63,203,033.64/9,180.43
  6. Step 6: Final answer
    x = 6,884.54

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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.