Home / 6,339.83-9,507.41-2,178.65

Finding the Fourth Proportional to 6,339.83, 9,507.41 and 2,178.65

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Solution

The fourth proportional to 6,339.83, 9,507.41 and 2,178.65 is: 3,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.83 : 9,507.41 = 2,178.65 : x
  2. Step 2: Convert to fraction form
    6,339.83/9,507.41 = 2,178.65/x
  3. Step 3: Cross multiply
    6,339.83x = 9,507.41 × 2,178.65
  4. Step 4: Simplify right side
    6,339.83x = 20,713,339.84
  5. Step 5: Solve for x
    x = 20,713,339.84/6,339.83
  6. Step 6: Final answer
    x = 3,267.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.