Home / 4,239.55-6,356.75-1,899.12

Finding the Fourth Proportional to 4,239.55, 6,356.75 and 1,899.12

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Solution

The fourth proportional to 4,239.55, 6,356.75 and 1,899.12 is: 2,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.55 : 6,356.75 = 1,899.12 : x
  2. Step 2: Convert to fraction form
    4,239.55/6,356.75 = 1,899.12/x
  3. Step 3: Cross multiply
    4,239.55x = 6,356.75 × 1,899.12
  4. Step 4: Simplify right side
    4,239.55x = 12,072,231.06
  5. Step 5: Solve for x
    x = 12,072,231.06/4,239.55
  6. Step 6: Final answer
    x = 2,847.53

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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.