Home / 8,204.28-12,305.36-2,657.07

Finding the Fourth Proportional to 8,204.28, 12,305.36 and 2,657.07

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Solution

The fourth proportional to 8,204.28, 12,305.36 and 2,657.07 is: 3,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.28 : 12,305.36 = 2,657.07 : x
  2. Step 2: Convert to fraction form
    8,204.28/12,305.36 = 2,657.07/x
  3. Step 3: Cross multiply
    8,204.28x = 12,305.36 × 2,657.07
  4. Step 4: Simplify right side
    8,204.28x = 32,696,141.37
  5. Step 5: Solve for x
    x = 32,696,141.37/8,204.28
  6. Step 6: Final answer
    x = 3,985.25

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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.