Home / 8,038.86-12,056.70-2,490.87

Finding the Fourth Proportional to 8,038.86, 12,056.70 and 2,490.87

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Solution

The fourth proportional to 8,038.86, 12,056.70 and 2,490.87 is: 3,735.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.86 : 12,056.70 = 2,490.87 : x
  2. Step 2: Convert to fraction form
    8,038.86/12,056.70 = 2,490.87/x
  3. Step 3: Cross multiply
    8,038.86x = 12,056.70 × 2,490.87
  4. Step 4: Simplify right side
    8,038.86x = 30,031,672.33
  5. Step 5: Solve for x
    x = 30,031,672.33/8,038.86
  6. Step 6: Final answer
    x = 3,735.81

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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.