Home / 5,803.10-8,709.45-2,687.90

Finding the Fourth Proportional to 5,803.10, 8,709.45 and 2,687.90

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Solution

The fourth proportional to 5,803.10, 8,709.45 and 2,687.90 is: 4,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.10 : 8,709.45 = 2,687.90 : x
  2. Step 2: Convert to fraction form
    5,803.10/8,709.45 = 2,687.90/x
  3. Step 3: Cross multiply
    5,803.10x = 8,709.45 × 2,687.90
  4. Step 4: Simplify right side
    5,803.10x = 23,410,130.66
  5. Step 5: Solve for x
    x = 23,410,130.66/5,803.10
  6. Step 6: Final answer
    x = 4,034.07

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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.