Home / 7,270.18-10,911.96-6,885.64

Finding the Fourth Proportional to 7,270.18, 10,911.96 and 6,885.64

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Solution

The fourth proportional to 7,270.18, 10,911.96 and 6,885.64 is: 10,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.18 : 10,911.96 = 6,885.64 : x
  2. Step 2: Convert to fraction form
    7,270.18/10,911.96 = 6,885.64/x
  3. Step 3: Cross multiply
    7,270.18x = 10,911.96 × 6,885.64
  4. Step 4: Simplify right side
    7,270.18x = 75,135,828.25
  5. Step 5: Solve for x
    x = 75,135,828.25/7,270.18
  6. Step 6: Final answer
    x = 10,334.80

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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.