Home / 7,546.54-11,315.70-2,615.78

Finding the Fourth Proportional to 7,546.54, 11,315.70 and 2,615.78

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Solution

The fourth proportional to 7,546.54, 11,315.70 and 2,615.78 is: 3,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.54 : 11,315.70 = 2,615.78 : x
  2. Step 2: Convert to fraction form
    7,546.54/11,315.70 = 2,615.78/x
  3. Step 3: Cross multiply
    7,546.54x = 11,315.70 × 2,615.78
  4. Step 4: Simplify right side
    7,546.54x = 29,599,381.75
  5. Step 5: Solve for x
    x = 29,599,381.75/7,546.54
  6. Step 6: Final answer
    x = 3,922.25

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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.