Home / 6,479.08-8,939.67-3,825.06

Finding the Fourth Proportional to 6,479.08, 8,939.67 and 3,825.06

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Solution

The fourth proportional to 6,479.08, 8,939.67 and 3,825.06 is: 5,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.08 : 8,939.67 = 3,825.06 : x
  2. Step 2: Convert to fraction form
    6,479.08/8,939.67 = 3,825.06/x
  3. Step 3: Cross multiply
    6,479.08x = 8,939.67 × 3,825.06
  4. Step 4: Simplify right side
    6,479.08x = 34,194,774.13
  5. Step 5: Solve for x
    x = 34,194,774.13/6,479.08
  6. Step 6: Final answer
    x = 5,277.72

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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.