Home / 6,278.12-8,662.41-3,624.95

Finding the Fourth Proportional to 6,278.12, 8,662.41 and 3,624.95

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Solution

The fourth proportional to 6,278.12, 8,662.41 and 3,624.95 is: 5,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.12 : 8,662.41 = 3,624.95 : x
  2. Step 2: Convert to fraction form
    6,278.12/8,662.41 = 3,624.95/x
  3. Step 3: Cross multiply
    6,278.12x = 8,662.41 × 3,624.95
  4. Step 4: Simplify right side
    6,278.12x = 31,400,803.13
  5. Step 5: Solve for x
    x = 31,400,803.13/6,278.12
  6. Step 6: Final answer
    x = 5,001.63

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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.