Home / 5,349.70-8,022.56-1,838.72

Finding the Fourth Proportional to 5,349.70, 8,022.56 and 1,838.72

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Solution

The fourth proportional to 5,349.70, 8,022.56 and 1,838.72 is: 2,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.70 : 8,022.56 = 1,838.72 : x
  2. Step 2: Convert to fraction form
    5,349.70/8,022.56 = 1,838.72/x
  3. Step 3: Cross multiply
    5,349.70x = 8,022.56 × 1,838.72
  4. Step 4: Simplify right side
    5,349.70x = 14,751,241.52
  5. Step 5: Solve for x
    x = 14,751,241.52/5,349.70
  6. Step 6: Final answer
    x = 2,757.40

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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.