Home / 7,021.53-10,523.21-2,856.67

Finding the Fourth Proportional to 7,021.53, 10,523.21 and 2,856.67

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Solution

The fourth proportional to 7,021.53, 10,523.21 and 2,856.67 is: 4,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.53 : 10,523.21 = 2,856.67 : x
  2. Step 2: Convert to fraction form
    7,021.53/10,523.21 = 2,856.67/x
  3. Step 3: Cross multiply
    7,021.53x = 10,523.21 × 2,856.67
  4. Step 4: Simplify right side
    7,021.53x = 30,061,297.72
  5. Step 5: Solve for x
    x = 30,061,297.72/7,021.53
  6. Step 6: Final answer
    x = 4,281.30

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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.