Home / 6,984.72-10,518.66-6,299.28

Finding the Fourth Proportional to 6,984.72, 10,518.66 and 6,299.28

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Solution

The fourth proportional to 6,984.72, 10,518.66 and 6,299.28 is: 9,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.72 : 10,518.66 = 6,299.28 : x
  2. Step 2: Convert to fraction form
    6,984.72/10,518.66 = 6,299.28/x
  3. Step 3: Cross multiply
    6,984.72x = 10,518.66 × 6,299.28
  4. Step 4: Simplify right side
    6,984.72x = 66,259,984.56
  5. Step 5: Solve for x
    x = 66,259,984.56/6,984.72
  6. Step 6: Final answer
    x = 9,486.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.