Home / 8,273.56-11,412.30-4,913.98

Finding the Fourth Proportional to 8,273.56, 11,412.30 and 4,913.98

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Solution

The fourth proportional to 8,273.56, 11,412.30 and 4,913.98 is: 6,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.56 : 11,412.30 = 4,913.98 : x
  2. Step 2: Convert to fraction form
    8,273.56/11,412.30 = 4,913.98/x
  3. Step 3: Cross multiply
    8,273.56x = 11,412.30 × 4,913.98
  4. Step 4: Simplify right side
    8,273.56x = 56,079,813.95
  5. Step 5: Solve for x
    x = 56,079,813.95/8,273.56
  6. Step 6: Final answer
    x = 6,778.20

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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.