Home / 4,678.17-6,463.79-3,620.25

Finding the Fourth Proportional to 4,678.17, 6,463.79 and 3,620.25

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Solution

The fourth proportional to 4,678.17, 6,463.79 and 3,620.25 is: 5,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.17 : 6,463.79 = 3,620.25 : x
  2. Step 2: Convert to fraction form
    4,678.17/6,463.79 = 3,620.25/x
  3. Step 3: Cross multiply
    4,678.17x = 6,463.79 × 3,620.25
  4. Step 4: Simplify right side
    4,678.17x = 23,400,517.65
  5. Step 5: Solve for x
    x = 23,400,517.65/4,678.17
  6. Step 6: Final answer
    x = 5,002.07

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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.