Home / 8,784.68-13,176.56-3,237.56

Finding the Fourth Proportional to 8,784.68, 13,176.56 and 3,237.56

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Solution

The fourth proportional to 8,784.68, 13,176.56 and 3,237.56 is: 4,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.68 : 13,176.56 = 3,237.56 : x
  2. Step 2: Convert to fraction form
    8,784.68/13,176.56 = 3,237.56/x
  3. Step 3: Cross multiply
    8,784.68x = 13,176.56 × 3,237.56
  4. Step 4: Simplify right side
    8,784.68x = 42,659,872.13
  5. Step 5: Solve for x
    x = 42,659,872.13/8,784.68
  6. Step 6: Final answer
    x = 4,856.17

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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.