Home / 8,276.91-12,415.35-5,822.70

Finding the Fourth Proportional to 8,276.91, 12,415.35 and 5,822.70

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Solution

The fourth proportional to 8,276.91, 12,415.35 and 5,822.70 is: 8,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.91 : 12,415.35 = 5,822.70 : x
  2. Step 2: Convert to fraction form
    8,276.91/12,415.35 = 5,822.70/x
  3. Step 3: Cross multiply
    8,276.91x = 12,415.35 × 5,822.70
  4. Step 4: Simplify right side
    8,276.91x = 72,290,858.45
  5. Step 5: Solve for x
    x = 72,290,858.45/8,276.91
  6. Step 6: Final answer
    x = 8,734.04

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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.