Home / 6,248.45-8,622.78-3,415.79

Finding the Fourth Proportional to 6,248.45, 8,622.78 and 3,415.79

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Solution

The fourth proportional to 6,248.45, 8,622.78 and 3,415.79 is: 4,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.45 : 8,622.78 = 3,415.79 : x
  2. Step 2: Convert to fraction form
    6,248.45/8,622.78 = 3,415.79/x
  3. Step 3: Cross multiply
    6,248.45x = 8,622.78 × 3,415.79
  4. Step 4: Simplify right side
    6,248.45x = 29,453,562.58
  5. Step 5: Solve for x
    x = 29,453,562.58/6,248.45
  6. Step 6: Final answer
    x = 4,713.74

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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.