Home / 4,380.50-6,568.77-1,259.79

Finding the Fourth Proportional to 4,380.50, 6,568.77 and 1,259.79

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Solution

The fourth proportional to 4,380.50, 6,568.77 and 1,259.79 is: 1,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.50 : 6,568.77 = 1,259.79 : x
  2. Step 2: Convert to fraction form
    4,380.50/6,568.77 = 1,259.79/x
  3. Step 3: Cross multiply
    4,380.50x = 6,568.77 × 1,259.79
  4. Step 4: Simplify right side
    4,380.50x = 8,275,270.76
  5. Step 5: Solve for x
    x = 8,275,270.76/4,380.50
  6. Step 6: Final answer
    x = 1,889.12

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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.