Home / 4,240.12-6,359.86-2,158.82

Finding the Fourth Proportional to 4,240.12, 6,359.86 and 2,158.82

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Solution

The fourth proportional to 4,240.12, 6,359.86 and 2,158.82 is: 3,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.12 : 6,359.86 = 2,158.82 : x
  2. Step 2: Convert to fraction form
    4,240.12/6,359.86 = 2,158.82/x
  3. Step 3: Cross multiply
    4,240.12x = 6,359.86 × 2,158.82
  4. Step 4: Simplify right side
    4,240.12x = 13,729,792.97
  5. Step 5: Solve for x
    x = 13,729,792.97/4,240.12
  6. Step 6: Final answer
    x = 3,238.07

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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.