Home / 4,669.89-6,447.09-3,100.13

Finding the Fourth Proportional to 4,669.89, 6,447.09 and 3,100.13

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Solution

The fourth proportional to 4,669.89, 6,447.09 and 3,100.13 is: 4,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.89 : 6,447.09 = 3,100.13 : x
  2. Step 2: Convert to fraction form
    4,669.89/6,447.09 = 3,100.13/x
  3. Step 3: Cross multiply
    4,669.89x = 6,447.09 × 3,100.13
  4. Step 4: Simplify right side
    4,669.89x = 19,986,817.12
  5. Step 5: Solve for x
    x = 19,986,817.12/4,669.89
  6. Step 6: Final answer
    x = 4,279.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.