Home / 8,230.51-12,346.72-2,892.05

Finding the Fourth Proportional to 8,230.51, 12,346.72 and 2,892.05

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Solution

The fourth proportional to 8,230.51, 12,346.72 and 2,892.05 is: 4,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.51 : 12,346.72 = 2,892.05 : x
  2. Step 2: Convert to fraction form
    8,230.51/12,346.72 = 2,892.05/x
  3. Step 3: Cross multiply
    8,230.51x = 12,346.72 × 2,892.05
  4. Step 4: Simplify right side
    8,230.51x = 35,707,269.84
  5. Step 5: Solve for x
    x = 35,707,269.84/8,230.51
  6. Step 6: Final answer
    x = 4,338.41

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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.