Home / 8,210.09-12,312.88-2,944.12

Finding the Fourth Proportional to 8,210.09, 12,312.88 and 2,944.12

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Solution

The fourth proportional to 8,210.09, 12,312.88 and 2,944.12 is: 4,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.09 : 12,312.88 = 2,944.12 : x
  2. Step 2: Convert to fraction form
    8,210.09/12,312.88 = 2,944.12/x
  3. Step 3: Cross multiply
    8,210.09x = 12,312.88 × 2,944.12
  4. Step 4: Simplify right side
    8,210.09x = 36,250,558.12
  5. Step 5: Solve for x
    x = 36,250,558.12/8,210.09
  6. Step 6: Final answer
    x = 4,415.37

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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.