Home / 4,270.53-6,405.90-1,309.04

Finding the Fourth Proportional to 4,270.53, 6,405.90 and 1,309.04

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Solution

The fourth proportional to 4,270.53, 6,405.90 and 1,309.04 is: 1,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.53 : 6,405.90 = 1,309.04 : x
  2. Step 2: Convert to fraction form
    4,270.53/6,405.90 = 1,309.04/x
  3. Step 3: Cross multiply
    4,270.53x = 6,405.90 × 1,309.04
  4. Step 4: Simplify right side
    4,270.53x = 8,385,540.76
  5. Step 5: Solve for x
    x = 8,385,540.76/4,270.53
  6. Step 6: Final answer
    x = 1,963.58

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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.