Home / 7,682.49-11,505.26-4,385.59

Finding the Fourth Proportional to 7,682.49, 11,505.26 and 4,385.59

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Solution

The fourth proportional to 7,682.49, 11,505.26 and 4,385.59 is: 6,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.49 : 11,505.26 = 4,385.59 : x
  2. Step 2: Convert to fraction form
    7,682.49/11,505.26 = 4,385.59/x
  3. Step 3: Cross multiply
    7,682.49x = 11,505.26 × 4,385.59
  4. Step 4: Simplify right side
    7,682.49x = 50,457,335.40
  5. Step 5: Solve for x
    x = 50,457,335.40/7,682.49
  6. Step 6: Final answer
    x = 6,567.84

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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.