Home / 5,213.16-7,819.74-2,133

Finding the Fourth Proportional to 5,213.16, 7,819.74 and 2,133

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Solution

The fourth proportional to 5,213.16, 7,819.74 and 2,133 is: 3,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.16 : 7,819.74 = 2,133 : x
  2. Step 2: Convert to fraction form
    5,213.16/7,819.74 = 2,133/x
  3. Step 3: Cross multiply
    5,213.16x = 7,819.74 × 2,133
  4. Step 4: Simplify right side
    5,213.16x = 16,679,505.42
  5. Step 5: Solve for x
    x = 16,679,505.42/5,213.16
  6. Step 6: Final answer
    x = 3,199.50

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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.