Home / 8,259.68-12,389.38-2,713.08

Finding the Fourth Proportional to 8,259.68, 12,389.38 and 2,713.08

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Solution

The fourth proportional to 8,259.68, 12,389.38 and 2,713.08 is: 4,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.68 : 12,389.38 = 2,713.08 : x
  2. Step 2: Convert to fraction form
    8,259.68/12,389.38 = 2,713.08/x
  3. Step 3: Cross multiply
    8,259.68x = 12,389.38 × 2,713.08
  4. Step 4: Simplify right side
    8,259.68x = 33,613,379.09
  5. Step 5: Solve for x
    x = 33,613,379.09/8,259.68
  6. Step 6: Final answer
    x = 4,069.57

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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.