Home / 8,210.40-12,313.35-2,944.43

Finding the Fourth Proportional to 8,210.40, 12,313.35 and 2,944.43

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Solution

The fourth proportional to 8,210.40, 12,313.35 and 2,944.43 is: 4,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.40 : 12,313.35 = 2,944.43 : x
  2. Step 2: Convert to fraction form
    8,210.40/12,313.35 = 2,944.43/x
  3. Step 3: Cross multiply
    8,210.40x = 12,313.35 × 2,944.43
  4. Step 4: Simplify right side
    8,210.40x = 36,255,797.14
  5. Step 5: Solve for x
    x = 36,255,797.14/8,210.40
  6. Step 6: Final answer
    x = 4,415.84

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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.