Home / 6,415.50-9,614.88-3,292.86

Finding the Fourth Proportional to 6,415.50, 9,614.88 and 3,292.86

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Solution

The fourth proportional to 6,415.50, 9,614.88 and 3,292.86 is: 4,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.50 : 9,614.88 = 3,292.86 : x
  2. Step 2: Convert to fraction form
    6,415.50/9,614.88 = 3,292.86/x
  3. Step 3: Cross multiply
    6,415.50x = 9,614.88 × 3,292.86
  4. Step 4: Simplify right side
    6,415.50x = 31,660,453.76
  5. Step 5: Solve for x
    x = 31,660,453.76/6,415.50
  6. Step 6: Final answer
    x = 4,934.99

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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.