Home / 8,637.27-11,919.81-5,100.49

Finding the Fourth Proportional to 8,637.27, 11,919.81 and 5,100.49

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Solution

The fourth proportional to 8,637.27, 11,919.81 and 5,100.49 is: 7,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.27 : 11,919.81 = 5,100.49 : x
  2. Step 2: Convert to fraction form
    8,637.27/11,919.81 = 5,100.49/x
  3. Step 3: Cross multiply
    8,637.27x = 11,919.81 × 5,100.49
  4. Step 4: Simplify right side
    8,637.27x = 60,796,871.71
  5. Step 5: Solve for x
    x = 60,796,871.71/8,637.27
  6. Step 6: Final answer
    x = 7,038.90

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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.