Home / 5,259.53-7,889.39-1,363.84

Finding the Fourth Proportional to 5,259.53, 7,889.39 and 1,363.84

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Solution

The fourth proportional to 5,259.53, 7,889.39 and 1,363.84 is: 2,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.53 : 7,889.39 = 1,363.84 : x
  2. Step 2: Convert to fraction form
    5,259.53/7,889.39 = 1,363.84/x
  3. Step 3: Cross multiply
    5,259.53x = 7,889.39 × 1,363.84
  4. Step 4: Simplify right side
    5,259.53x = 10,759,865.66
  5. Step 5: Solve for x
    x = 10,759,865.66/5,259.53
  6. Step 6: Final answer
    x = 2,045.78

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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.