Home / 8,353.48-12,530.83-2,806.79

Finding the Fourth Proportional to 8,353.48, 12,530.83 and 2,806.79

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Solution

The fourth proportional to 8,353.48, 12,530.83 and 2,806.79 is: 4,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.48 : 12,530.83 = 2,806.79 : x
  2. Step 2: Convert to fraction form
    8,353.48/12,530.83 = 2,806.79/x
  3. Step 3: Cross multiply
    8,353.48x = 12,530.83 × 2,806.79
  4. Step 4: Simplify right side
    8,353.48x = 35,171,338.66
  5. Step 5: Solve for x
    x = 35,171,338.66/8,353.48
  6. Step 6: Final answer
    x = 4,210.38

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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.