Home / 9,288.39-12,817.84-5,039.37

Finding the Fourth Proportional to 9,288.39, 12,817.84 and 5,039.37

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Solution

The fourth proportional to 9,288.39, 12,817.84 and 5,039.37 is: 6,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.39 : 12,817.84 = 5,039.37 : x
  2. Step 2: Convert to fraction form
    9,288.39/12,817.84 = 5,039.37/x
  3. Step 3: Cross multiply
    9,288.39x = 12,817.84 × 5,039.37
  4. Step 4: Simplify right side
    9,288.39x = 64,593,838.36
  5. Step 5: Solve for x
    x = 64,593,838.36/9,288.39
  6. Step 6: Final answer
    x = 6,954.26

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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.