Home / 7,742.04-11,609.46-2,811.48

Finding the Fourth Proportional to 7,742.04, 11,609.46 and 2,811.48

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Solution

The fourth proportional to 7,742.04, 11,609.46 and 2,811.48 is: 4,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.04 : 11,609.46 = 2,811.48 : x
  2. Step 2: Convert to fraction form
    7,742.04/11,609.46 = 2,811.48/x
  3. Step 3: Cross multiply
    7,742.04x = 11,609.46 × 2,811.48
  4. Step 4: Simplify right side
    7,742.04x = 32,639,764.60
  5. Step 5: Solve for x
    x = 32,639,764.60/7,742.04
  6. Step 6: Final answer
    x = 4,215.91

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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.