Home / 7,546.21-11,308.75-6,429.80

Finding the Fourth Proportional to 7,546.21, 11,308.75 and 6,429.80

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Solution

The fourth proportional to 7,546.21, 11,308.75 and 6,429.80 is: 9,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.21 : 11,308.75 = 6,429.80 : x
  2. Step 2: Convert to fraction form
    7,546.21/11,308.75 = 6,429.80/x
  3. Step 3: Cross multiply
    7,546.21x = 11,308.75 × 6,429.80
  4. Step 4: Simplify right side
    7,546.21x = 72,713,012.95
  5. Step 5: Solve for x
    x = 72,713,012.95/7,546.21
  6. Step 6: Final answer
    x = 9,635.70

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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.