Home / 8,708.05-13,054.87-4,328.56

Finding the Fourth Proportional to 8,708.05, 13,054.87 and 4,328.56

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Solution

The fourth proportional to 8,708.05, 13,054.87 and 4,328.56 is: 6,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.05 : 13,054.87 = 4,328.56 : x
  2. Step 2: Convert to fraction form
    8,708.05/13,054.87 = 4,328.56/x
  3. Step 3: Cross multiply
    8,708.05x = 13,054.87 × 4,328.56
  4. Step 4: Simplify right side
    8,708.05x = 56,508,788.09
  5. Step 5: Solve for x
    x = 56,508,788.09/8,708.05
  6. Step 6: Final answer
    x = 6,489.26

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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.