Home / 8,928.37-13,392.69-3,379.06

Finding the Fourth Proportional to 8,928.37, 13,392.69 and 3,379.06

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Solution

The fourth proportional to 8,928.37, 13,392.69 and 3,379.06 is: 5,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.37 : 13,392.69 = 3,379.06 : x
  2. Step 2: Convert to fraction form
    8,928.37/13,392.69 = 3,379.06/x
  3. Step 3: Cross multiply
    8,928.37x = 13,392.69 × 3,379.06
  4. Step 4: Simplify right side
    8,928.37x = 45,254,703.07
  5. Step 5: Solve for x
    x = 45,254,703.07/8,928.37
  6. Step 6: Final answer
    x = 5,068.64

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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.