Home / 7,438.89-11,152.87-3,546.03

Finding the Fourth Proportional to 7,438.89, 11,152.87 and 3,546.03

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Solution

The fourth proportional to 7,438.89, 11,152.87 and 3,546.03 is: 5,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.89 : 11,152.87 = 3,546.03 : x
  2. Step 2: Convert to fraction form
    7,438.89/11,152.87 = 3,546.03/x
  3. Step 3: Cross multiply
    7,438.89x = 11,152.87 × 3,546.03
  4. Step 4: Simplify right side
    7,438.89x = 39,548,402.74
  5. Step 5: Solve for x
    x = 39,548,402.74/7,438.89
  6. Step 6: Final answer
    x = 5,316.44

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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.