Home / 4,426.40-6,636.53-1,959.88

Finding the Fourth Proportional to 4,426.40, 6,636.53 and 1,959.88

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Solution

The fourth proportional to 4,426.40, 6,636.53 and 1,959.88 is: 2,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.40 : 6,636.53 = 1,959.88 : x
  2. Step 2: Convert to fraction form
    4,426.40/6,636.53 = 1,959.88/x
  3. Step 3: Cross multiply
    4,426.40x = 6,636.53 × 1,959.88
  4. Step 4: Simplify right side
    4,426.40x = 13,006,759.43
  5. Step 5: Solve for x
    x = 13,006,759.43/4,426.40
  6. Step 6: Final answer
    x = 2,938.45

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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.