Home / 4,425.53-6,638.33-1,305.59

Finding the Fourth Proportional to 4,425.53, 6,638.33 and 1,305.59

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Solution

The fourth proportional to 4,425.53, 6,638.33 and 1,305.59 is: 1,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.53 : 6,638.33 = 1,305.59 : x
  2. Step 2: Convert to fraction form
    4,425.53/6,638.33 = 1,305.59/x
  3. Step 3: Cross multiply
    4,425.53x = 6,638.33 × 1,305.59
  4. Step 4: Simplify right side
    4,425.53x = 8,666,907.34
  5. Step 5: Solve for x
    x = 8,666,907.34/4,425.53
  6. Step 6: Final answer
    x = 1,958.39

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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.