Home / 4,945.14-7,415.10-2,170.35

Finding the Fourth Proportional to 4,945.14, 7,415.10 and 2,170.35

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Solution

The fourth proportional to 4,945.14, 7,415.10 and 2,170.35 is: 3,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.14 : 7,415.10 = 2,170.35 : x
  2. Step 2: Convert to fraction form
    4,945.14/7,415.10 = 2,170.35/x
  3. Step 3: Cross multiply
    4,945.14x = 7,415.10 × 2,170.35
  4. Step 4: Simplify right side
    4,945.14x = 16,093,362.29
  5. Step 5: Solve for x
    x = 16,093,362.29/4,945.14
  6. Step 6: Final answer
    x = 3,254.38

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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.