Home / 8,205.60-12,309.08-2,362.28

Finding the Fourth Proportional to 8,205.60, 12,309.08 and 2,362.28

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Solution

The fourth proportional to 8,205.60, 12,309.08 and 2,362.28 is: 3,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.60 : 12,309.08 = 2,362.28 : x
  2. Step 2: Convert to fraction form
    8,205.60/12,309.08 = 2,362.28/x
  3. Step 3: Cross multiply
    8,205.60x = 12,309.08 × 2,362.28
  4. Step 4: Simplify right side
    8,205.60x = 29,077,493.50
  5. Step 5: Solve for x
    x = 29,077,493.50/8,205.60
  6. Step 6: Final answer
    x = 3,543.62

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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.