Home / 4,247.41-5,859.79-3,131.00

Finding the Fourth Proportional to 4,247.41, 5,859.79 and 3,131.00

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Solution

The fourth proportional to 4,247.41, 5,859.79 and 3,131.00 is: 4,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.41 : 5,859.79 = 3,131.00 : x
  2. Step 2: Convert to fraction form
    4,247.41/5,859.79 = 3,131.00/x
  3. Step 3: Cross multiply
    4,247.41x = 5,859.79 × 3,131.00
  4. Step 4: Simplify right side
    4,247.41x = 18,347,037.91
  5. Step 5: Solve for x
    x = 18,347,037.91/4,247.41
  6. Step 6: Final answer
    x = 4,319.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.