Home / 4,286.09-6,421.80-2,339.66

Finding the Fourth Proportional to 4,286.09, 6,421.80 and 2,339.66

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Solution

The fourth proportional to 4,286.09, 6,421.80 and 2,339.66 is: 3,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.09 : 6,421.80 = 2,339.66 : x
  2. Step 2: Convert to fraction form
    4,286.09/6,421.80 = 2,339.66/x
  3. Step 3: Cross multiply
    4,286.09x = 6,421.80 × 2,339.66
  4. Step 4: Simplify right side
    4,286.09x = 15,024,828.59
  5. Step 5: Solve for x
    x = 15,024,828.59/4,286.09
  6. Step 6: Final answer
    x = 3,505.49

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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.