Home / 6,440.50-9,658.82-2,491.06

Finding the Fourth Proportional to 6,440.50, 9,658.82 and 2,491.06

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Solution

The fourth proportional to 6,440.50, 9,658.82 and 2,491.06 is: 3,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.50 : 9,658.82 = 2,491.06 : x
  2. Step 2: Convert to fraction form
    6,440.50/9,658.82 = 2,491.06/x
  3. Step 3: Cross multiply
    6,440.50x = 9,658.82 × 2,491.06
  4. Step 4: Simplify right side
    6,440.50x = 24,060,700.15
  5. Step 5: Solve for x
    x = 24,060,700.15/6,440.50
  6. Step 6: Final answer
    x = 3,735.84

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1.5x scale

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.