Home / 9,247.75-12,761.90-4,998.80

Finding the Fourth Proportional to 9,247.75, 12,761.90 and 4,998.80

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Solution

The fourth proportional to 9,247.75, 12,761.90 and 4,998.80 is: 6,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.75 : 12,761.90 = 4,998.80 : x
  2. Step 2: Convert to fraction form
    9,247.75/12,761.90 = 4,998.80/x
  3. Step 3: Cross multiply
    9,247.75x = 12,761.90 × 4,998.80
  4. Step 4: Simplify right side
    9,247.75x = 63,794,185.72
  5. Step 5: Solve for x
    x = 63,794,185.72/9,247.75
  6. Step 6: Final answer
    x = 6,898.35

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1.5x scale

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.