Home / 7,846.28-11,770.88-2,581.60

Finding the Fourth Proportional to 7,846.28, 11,770.88 and 2,581.60

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Solution

The fourth proportional to 7,846.28, 11,770.88 and 2,581.60 is: 3,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.28 : 11,770.88 = 2,581.60 : x
  2. Step 2: Convert to fraction form
    7,846.28/11,770.88 = 2,581.60/x
  3. Step 3: Cross multiply
    7,846.28x = 11,770.88 × 2,581.60
  4. Step 4: Simplify right side
    7,846.28x = 30,387,703.81
  5. Step 5: Solve for x
    x = 30,387,703.81/7,846.28
  6. Step 6: Final answer
    x = 3,872.88

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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.