Home / 8,928.05-13,393.94-2,688.51

Finding the Fourth Proportional to 8,928.05, 13,393.94 and 2,688.51

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Solution

The fourth proportional to 8,928.05, 13,393.94 and 2,688.51 is: 4,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.05 : 13,393.94 = 2,688.51 : x
  2. Step 2: Convert to fraction form
    8,928.05/13,393.94 = 2,688.51/x
  3. Step 3: Cross multiply
    8,928.05x = 13,393.94 × 2,688.51
  4. Step 4: Simplify right side
    8,928.05x = 36,009,728.19
  5. Step 5: Solve for x
    x = 36,009,728.19/8,928.05
  6. Step 6: Final answer
    x = 4,033.33

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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.