Home / 8,739.32-13,110.80-2,895.77

Finding the Fourth Proportional to 8,739.32, 13,110.80 and 2,895.77

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Solution

The fourth proportional to 8,739.32, 13,110.80 and 2,895.77 is: 4,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.32 : 13,110.80 = 2,895.77 : x
  2. Step 2: Convert to fraction form
    8,739.32/13,110.80 = 2,895.77/x
  3. Step 3: Cross multiply
    8,739.32x = 13,110.80 × 2,895.77
  4. Step 4: Simplify right side
    8,739.32x = 37,965,879.61
  5. Step 5: Solve for x
    x = 37,965,879.61/8,739.32
  6. Step 6: Final answer
    x = 4,344.26

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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.