Home / 8,836.56-13,256.46-2,913.80

Finding the Fourth Proportional to 8,836.56, 13,256.46 and 2,913.80

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Solution

The fourth proportional to 8,836.56, 13,256.46 and 2,913.80 is: 4,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.56 : 13,256.46 = 2,913.80 : x
  2. Step 2: Convert to fraction form
    8,836.56/13,256.46 = 2,913.80/x
  3. Step 3: Cross multiply
    8,836.56x = 13,256.46 × 2,913.80
  4. Step 4: Simplify right side
    8,836.56x = 38,626,606.87
  5. Step 5: Solve for x
    x = 38,626,606.87/8,836.56
  6. Step 6: Final answer
    x = 4,371.23

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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.