Home / 4,280.88-6,422.58-1,359.12

Finding the Fourth Proportional to 4,280.88, 6,422.58 and 1,359.12

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Solution

The fourth proportional to 4,280.88, 6,422.58 and 1,359.12 is: 2,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.88 : 6,422.58 = 1,359.12 : x
  2. Step 2: Convert to fraction form
    4,280.88/6,422.58 = 1,359.12/x
  3. Step 3: Cross multiply
    4,280.88x = 6,422.58 × 1,359.12
  4. Step 4: Simplify right side
    4,280.88x = 8,729,056.93
  5. Step 5: Solve for x
    x = 8,729,056.93/4,280.88
  6. Step 6: Final answer
    x = 2,039.08

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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.