Home / 8,746.38-13,120.38-2,903.58

Finding the Fourth Proportional to 8,746.38, 13,120.38 and 2,903.58

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Solution

The fourth proportional to 8,746.38, 13,120.38 and 2,903.58 is: 4,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.38 : 13,120.38 = 2,903.58 : x
  2. Step 2: Convert to fraction form
    8,746.38/13,120.38 = 2,903.58/x
  3. Step 3: Cross multiply
    8,746.38x = 13,120.38 × 2,903.58
  4. Step 4: Simplify right side
    8,746.38x = 38,096,072.96
  5. Step 5: Solve for x
    x = 38,096,072.96/8,746.38
  6. Step 6: Final answer
    x = 4,355.64

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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.