Home / 5,607.28-8,406.78-1,908.52

Finding the Fourth Proportional to 5,607.28, 8,406.78 and 1,908.52

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Solution

The fourth proportional to 5,607.28, 8,406.78 and 1,908.52 is: 2,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.28 : 8,406.78 = 1,908.52 : x
  2. Step 2: Convert to fraction form
    5,607.28/8,406.78 = 1,908.52/x
  3. Step 3: Cross multiply
    5,607.28x = 8,406.78 × 1,908.52
  4. Step 4: Simplify right side
    5,607.28x = 16,044,507.77
  5. Step 5: Solve for x
    x = 16,044,507.77/5,607.28
  6. Step 6: Final answer
    x = 2,861.37

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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.