Home / 8,257.37-12,355.01-4,913.30

Finding the Fourth Proportional to 8,257.37, 12,355.01 and 4,913.30

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Solution

The fourth proportional to 8,257.37, 12,355.01 and 4,913.30 is: 7,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.37 : 12,355.01 = 4,913.30 : x
  2. Step 2: Convert to fraction form
    8,257.37/12,355.01 = 4,913.30/x
  3. Step 3: Cross multiply
    8,257.37x = 12,355.01 × 4,913.30
  4. Step 4: Simplify right side
    8,257.37x = 60,703,895.38
  5. Step 5: Solve for x
    x = 60,703,895.38/8,257.37
  6. Step 6: Final answer
    x = 7,351.49

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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.