Home / 7,049.89-10,512.60-6,986.62

Finding the Fourth Proportional to 7,049.89, 10,512.60 and 6,986.62

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Solution

The fourth proportional to 7,049.89, 10,512.60 and 6,986.62 is: 10,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.89 : 10,512.60 = 6,986.62 : x
  2. Step 2: Convert to fraction form
    7,049.89/10,512.60 = 6,986.62/x
  3. Step 3: Cross multiply
    7,049.89x = 10,512.60 × 6,986.62
  4. Step 4: Simplify right side
    7,049.89x = 73,447,493.34
  5. Step 5: Solve for x
    x = 73,447,493.34/7,049.89
  6. Step 6: Final answer
    x = 10,418.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.