Home / 6,440.36-9,656.48-2,491.61

Finding the Fourth Proportional to 6,440.36, 9,656.48 and 2,491.61

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Solution

The fourth proportional to 6,440.36, 9,656.48 and 2,491.61 is: 3,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.36 : 9,656.48 = 2,491.61 : x
  2. Step 2: Convert to fraction form
    6,440.36/9,656.48 = 2,491.61/x
  3. Step 3: Cross multiply
    6,440.36x = 9,656.48 × 2,491.61
  4. Step 4: Simplify right side
    6,440.36x = 24,060,140.08
  5. Step 5: Solve for x
    x = 24,060,140.08/6,440.36
  6. Step 6: Final answer
    x = 3,735.84

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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.