Home / 4,281-6,418.62-1,971.24

Finding the Fourth Proportional to 4,281, 6,418.62 and 1,971.24

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Solution

The fourth proportional to 4,281, 6,418.62 and 1,971.24 is: 2,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281 : 6,418.62 = 1,971.24 : x
  2. Step 2: Convert to fraction form
    4,281/6,418.62 = 1,971.24/x
  3. Step 3: Cross multiply
    4,281x = 6,418.62 × 1,971.24
  4. Step 4: Simplify right side
    4,281x = 12,652,640.49
  5. Step 5: Solve for x
    x = 12,652,640.49/4,281
  6. Step 6: Final answer
    x = 2,955.53

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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.