Home / 6,247.49-8,621.39-3,414.89

Finding the Fourth Proportional to 6,247.49, 8,621.39 and 3,414.89

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Solution

The fourth proportional to 6,247.49, 8,621.39 and 3,414.89 is: 4,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.49 : 8,621.39 = 3,414.89 : x
  2. Step 2: Convert to fraction form
    6,247.49/8,621.39 = 3,414.89/x
  3. Step 3: Cross multiply
    6,247.49x = 8,621.39 × 3,414.89
  4. Step 4: Simplify right side
    6,247.49x = 29,441,055.39
  5. Step 5: Solve for x
    x = 29,441,055.39/6,247.49
  6. Step 6: Final answer
    x = 4,712.46

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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.