Home / 8,410.02-12,611.37-2,861.87

Finding the Fourth Proportional to 8,410.02, 12,611.37 and 2,861.87

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Solution

The fourth proportional to 8,410.02, 12,611.37 and 2,861.87 is: 4,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.02 : 12,611.37 = 2,861.87 : x
  2. Step 2: Convert to fraction form
    8,410.02/12,611.37 = 2,861.87/x
  3. Step 3: Cross multiply
    8,410.02x = 12,611.37 × 2,861.87
  4. Step 4: Simplify right side
    8,410.02x = 36,092,038.41
  5. Step 5: Solve for x
    x = 36,092,038.41/8,410.02
  6. Step 6: Final answer
    x = 4,291.55

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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.