Home / 4,429.84-6,646.59-2,239.21

Finding the Fourth Proportional to 4,429.84, 6,646.59 and 2,239.21

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Solution

The fourth proportional to 4,429.84, 6,646.59 and 2,239.21 is: 3,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.84 : 6,646.59 = 2,239.21 : x
  2. Step 2: Convert to fraction form
    4,429.84/6,646.59 = 2,239.21/x
  3. Step 3: Cross multiply
    4,429.84x = 6,646.59 × 2,239.21
  4. Step 4: Simplify right side
    4,429.84x = 14,883,110.79
  5. Step 5: Solve for x
    x = 14,883,110.79/4,429.84
  6. Step 6: Final answer
    x = 3,359.74

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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.