Home / 8,276.28-12,416.42-4,118.24

Finding the Fourth Proportional to 8,276.28, 12,416.42 and 4,118.24

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Solution

The fourth proportional to 8,276.28, 12,416.42 and 4,118.24 is: 6,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.28 : 12,416.42 = 4,118.24 : x
  2. Step 2: Convert to fraction form
    8,276.28/12,416.42 = 4,118.24/x
  3. Step 3: Cross multiply
    8,276.28x = 12,416.42 × 4,118.24
  4. Step 4: Simplify right side
    8,276.28x = 51,133,797.50
  5. Step 5: Solve for x
    x = 51,133,797.50/8,276.28
  6. Step 6: Final answer
    x = 6,178.36

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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.