Home / 4,621.74-6,380.09-2,945.45

Finding the Fourth Proportional to 4,621.74, 6,380.09 and 2,945.45

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Solution

The fourth proportional to 4,621.74, 6,380.09 and 2,945.45 is: 4,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.74 : 6,380.09 = 2,945.45 : x
  2. Step 2: Convert to fraction form
    4,621.74/6,380.09 = 2,945.45/x
  3. Step 3: Cross multiply
    4,621.74x = 6,380.09 × 2,945.45
  4. Step 4: Simplify right side
    4,621.74x = 18,792,189.46
  5. Step 5: Solve for x
    x = 18,792,189.46/4,621.74
  6. Step 6: Final answer
    x = 4,066.04

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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.