Home / 6,731.78-10,119.53-6,698.97

Finding the Fourth Proportional to 6,731.78, 10,119.53 and 6,698.97

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Solution

The fourth proportional to 6,731.78, 10,119.53 and 6,698.97 is: 10,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.78 : 10,119.53 = 6,698.97 : x
  2. Step 2: Convert to fraction form
    6,731.78/10,119.53 = 6,698.97/x
  3. Step 3: Cross multiply
    6,731.78x = 10,119.53 × 6,698.97
  4. Step 4: Simplify right side
    6,731.78x = 67,790,444.63
  5. Step 5: Solve for x
    x = 67,790,444.63/6,731.78
  6. Step 6: Final answer
    x = 10,070.22

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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.