Home / 6,627.49-9,938.97-1,946.18

Finding the Fourth Proportional to 6,627.49, 9,938.97 and 1,946.18

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Solution

The fourth proportional to 6,627.49, 9,938.97 and 1,946.18 is: 2,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.49 : 9,938.97 = 1,946.18 : x
  2. Step 2: Convert to fraction form
    6,627.49/9,938.97 = 1,946.18/x
  3. Step 3: Cross multiply
    6,627.49x = 9,938.97 × 1,946.18
  4. Step 4: Simplify right side
    6,627.49x = 19,343,049.48
  5. Step 5: Solve for x
    x = 19,343,049.48/6,627.49
  6. Step 6: Final answer
    x = 2,918.61

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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.