Home / 6,989.73-10,486.33-5,742.43

Finding the Fourth Proportional to 6,989.73, 10,486.33 and 5,742.43

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Solution

The fourth proportional to 6,989.73, 10,486.33 and 5,742.43 is: 8,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.73 : 10,486.33 = 5,742.43 : x
  2. Step 2: Convert to fraction form
    6,989.73/10,486.33 = 5,742.43/x
  3. Step 3: Cross multiply
    6,989.73x = 10,486.33 × 5,742.43
  4. Step 4: Simplify right side
    6,989.73x = 60,217,015.98
  5. Step 5: Solve for x
    x = 60,217,015.98/6,989.73
  6. Step 6: Final answer
    x = 8,615.07

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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.