Home / 6,521.88-8,999.19-4,284.66

Finding the Fourth Proportional to 6,521.88, 8,999.19 and 4,284.66

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Solution

The fourth proportional to 6,521.88, 8,999.19 and 4,284.66 is: 5,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.88 : 8,999.19 = 4,284.66 : x
  2. Step 2: Convert to fraction form
    6,521.88/8,999.19 = 4,284.66/x
  3. Step 3: Cross multiply
    6,521.88x = 8,999.19 × 4,284.66
  4. Step 4: Simplify right side
    6,521.88x = 38,558,469.43
  5. Step 5: Solve for x
    x = 38,558,469.43/6,521.88
  6. Step 6: Final answer
    x = 5,912.17

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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.