Home / 7,507.35-11,245.65-4,213.53

Finding the Fourth Proportional to 7,507.35, 11,245.65 and 4,213.53

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Solution

The fourth proportional to 7,507.35, 11,245.65 and 4,213.53 is: 6,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.35 : 11,245.65 = 4,213.53 : x
  2. Step 2: Convert to fraction form
    7,507.35/11,245.65 = 4,213.53/x
  3. Step 3: Cross multiply
    7,507.35x = 11,245.65 × 4,213.53
  4. Step 4: Simplify right side
    7,507.35x = 47,383,883.64
  5. Step 5: Solve for x
    x = 47,383,883.64/7,507.35
  6. Step 6: Final answer
    x = 6,311.67

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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.