Home / 7,829.76-11,742.18-2,563.56

Finding the Fourth Proportional to 7,829.76, 11,742.18 and 2,563.56

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Solution

The fourth proportional to 7,829.76, 11,742.18 and 2,563.56 is: 3,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.76 : 11,742.18 = 2,563.56 : x
  2. Step 2: Convert to fraction form
    7,829.76/11,742.18 = 2,563.56/x
  3. Step 3: Cross multiply
    7,829.76x = 11,742.18 × 2,563.56
  4. Step 4: Simplify right side
    7,829.76x = 30,101,782.96
  5. Step 5: Solve for x
    x = 30,101,782.96/7,829.76
  6. Step 6: Final answer
    x = 3,844.53

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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.