Home / 8,528.36-11,769.73-5,171.32

Finding the Fourth Proportional to 8,528.36, 11,769.73 and 5,171.32

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Solution

The fourth proportional to 8,528.36, 11,769.73 and 5,171.32 is: 7,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.36 : 11,769.73 = 5,171.32 : x
  2. Step 2: Convert to fraction form
    8,528.36/11,769.73 = 5,171.32/x
  3. Step 3: Cross multiply
    8,528.36x = 11,769.73 × 5,171.32
  4. Step 4: Simplify right side
    8,528.36x = 60,864,981.29
  5. Step 5: Solve for x
    x = 60,864,981.29/8,528.36
  6. Step 6: Final answer
    x = 7,136.77

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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.