Home / 5,213.42-7,814.64-1,924.40

Finding the Fourth Proportional to 5,213.42, 7,814.64 and 1,924.40

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Solution

The fourth proportional to 5,213.42, 7,814.64 and 1,924.40 is: 2,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.42 : 7,814.64 = 1,924.40 : x
  2. Step 2: Convert to fraction form
    5,213.42/7,814.64 = 1,924.40/x
  3. Step 3: Cross multiply
    5,213.42x = 7,814.64 × 1,924.40
  4. Step 4: Simplify right side
    5,213.42x = 15,038,493.22
  5. Step 5: Solve for x
    x = 15,038,493.22/5,213.42
  6. Step 6: Final answer
    x = 2,884.57

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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.