Home / 8,723.26-12,039.96-5,366.08

Finding the Fourth Proportional to 8,723.26, 12,039.96 and 5,366.08

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Solution

The fourth proportional to 8,723.26, 12,039.96 and 5,366.08 is: 7,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.26 : 12,039.96 = 5,366.08 : x
  2. Step 2: Convert to fraction form
    8,723.26/12,039.96 = 5,366.08/x
  3. Step 3: Cross multiply
    8,723.26x = 12,039.96 × 5,366.08
  4. Step 4: Simplify right side
    8,723.26x = 64,607,388.56
  5. Step 5: Solve for x
    x = 64,607,388.56/8,723.26
  6. Step 6: Final answer
    x = 7,406.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.