Home / 5,259.35-7,889.04-1,363.79

Finding the Fourth Proportional to 5,259.35, 7,889.04 and 1,363.79

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Solution

The fourth proportional to 5,259.35, 7,889.04 and 1,363.79 is: 2,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.35 : 7,889.04 = 1,363.79 : x
  2. Step 2: Convert to fraction form
    5,259.35/7,889.04 = 1,363.79/x
  3. Step 3: Cross multiply
    5,259.35x = 7,889.04 × 1,363.79
  4. Step 4: Simplify right side
    5,259.35x = 10,758,993.86
  5. Step 5: Solve for x
    x = 10,758,993.86/5,259.35
  6. Step 6: Final answer
    x = 2,045.69

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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.