Home / 7,682.75-11,526.40-3,240.86

Finding the Fourth Proportional to 7,682.75, 11,526.40 and 3,240.86

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Solution

The fourth proportional to 7,682.75, 11,526.40 and 3,240.86 is: 4,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.75 : 11,526.40 = 3,240.86 : x
  2. Step 2: Convert to fraction form
    7,682.75/11,526.40 = 3,240.86/x
  3. Step 3: Cross multiply
    7,682.75x = 11,526.40 × 3,240.86
  4. Step 4: Simplify right side
    7,682.75x = 37,355,459.96
  5. Step 5: Solve for x
    x = 37,355,459.96/7,682.75
  6. Step 6: Final answer
    x = 4,862.25

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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.