Home / 7,087.54-10,631.85-2,157.60

Finding the Fourth Proportional to 7,087.54, 10,631.85 and 2,157.60

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Solution

The fourth proportional to 7,087.54, 10,631.85 and 2,157.60 is: 3,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.54 : 10,631.85 = 2,157.60 : x
  2. Step 2: Convert to fraction form
    7,087.54/10,631.85 = 2,157.60/x
  3. Step 3: Cross multiply
    7,087.54x = 10,631.85 × 2,157.60
  4. Step 4: Simplify right side
    7,087.54x = 22,939,279.56
  5. Step 5: Solve for x
    x = 22,939,279.56/7,087.54
  6. Step 6: Final answer
    x = 3,236.56

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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.