Home / 7,938.10-11,908.82-3,007.63

Finding the Fourth Proportional to 7,938.10, 11,908.82 and 3,007.63

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Solution

The fourth proportional to 7,938.10, 11,908.82 and 3,007.63 is: 4,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.10 : 11,908.82 = 3,007.63 : x
  2. Step 2: Convert to fraction form
    7,938.10/11,908.82 = 3,007.63/x
  3. Step 3: Cross multiply
    7,938.10x = 11,908.82 × 3,007.63
  4. Step 4: Simplify right side
    7,938.10x = 35,817,324.30
  5. Step 5: Solve for x
    x = 35,817,324.30/7,938.10
  6. Step 6: Final answer
    x = 4,512.08

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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.