Home / 5,213.64-7,814.99-2,438.05

Finding the Fourth Proportional to 5,213.64, 7,814.99 and 2,438.05

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Solution

The fourth proportional to 5,213.64, 7,814.99 and 2,438.05 is: 3,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.64 : 7,814.99 = 2,438.05 : x
  2. Step 2: Convert to fraction form
    5,213.64/7,814.99 = 2,438.05/x
  3. Step 3: Cross multiply
    5,213.64x = 7,814.99 × 2,438.05
  4. Step 4: Simplify right side
    5,213.64x = 19,053,341.01
  5. Step 5: Solve for x
    x = 19,053,341.01/5,213.64
  6. Step 6: Final answer
    x = 3,654.52

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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.