Home / 6,259.19-8,639.82-3,607.65

Finding the Fourth Proportional to 6,259.19, 8,639.82 and 3,607.65

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Solution

The fourth proportional to 6,259.19, 8,639.82 and 3,607.65 is: 4,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.19 : 8,639.82 = 3,607.65 : x
  2. Step 2: Convert to fraction form
    6,259.19/8,639.82 = 3,607.65/x
  3. Step 3: Cross multiply
    6,259.19x = 8,639.82 × 3,607.65
  4. Step 4: Simplify right side
    6,259.19x = 31,169,446.62
  5. Step 5: Solve for x
    x = 31,169,446.62/6,259.19
  6. Step 6: Final answer
    x = 4,979.79

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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.