Home / 8,730.90-13,096.80-2,491.83

Finding the Fourth Proportional to 8,730.90, 13,096.80 and 2,491.83

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Solution

The fourth proportional to 8,730.90, 13,096.80 and 2,491.83 is: 3,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.90 : 13,096.80 = 2,491.83 : x
  2. Step 2: Convert to fraction form
    8,730.90/13,096.80 = 2,491.83/x
  3. Step 3: Cross multiply
    8,730.90x = 13,096.80 × 2,491.83
  4. Step 4: Simplify right side
    8,730.90x = 32,634,999.14
  5. Step 5: Solve for x
    x = 32,634,999.14/8,730.90
  6. Step 6: Final answer
    x = 3,737.87

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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.