Home / 8,243.83-11,377.05-4,657.55

Finding the Fourth Proportional to 8,243.83, 11,377.05 and 4,657.55

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Solution

The fourth proportional to 8,243.83, 11,377.05 and 4,657.55 is: 6,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.83 : 11,377.05 = 4,657.55 : x
  2. Step 2: Convert to fraction form
    8,243.83/11,377.05 = 4,657.55/x
  3. Step 3: Cross multiply
    8,243.83x = 11,377.05 × 4,657.55
  4. Step 4: Simplify right side
    8,243.83x = 52,989,099.05
  5. Step 5: Solve for x
    x = 52,989,099.05/8,243.83
  6. Step 6: Final answer
    x = 6,427.73

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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.