Home / 6,410-8,845.94-3,615.50

Finding the Fourth Proportional to 6,410, 8,845.94 and 3,615.50

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Solution

The fourth proportional to 6,410, 8,845.94 and 3,615.50 is: 4,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410 : 8,845.94 = 3,615.50 : x
  2. Step 2: Convert to fraction form
    6,410/8,845.94 = 3,615.50/x
  3. Step 3: Cross multiply
    6,410x = 8,845.94 × 3,615.50
  4. Step 4: Simplify right side
    6,410x = 31,982,496.07
  5. Step 5: Solve for x
    x = 31,982,496.07/6,410
  6. Step 6: Final answer
    x = 4,989.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.