Home / 6,113.50-8,432.79-4,874.46

Finding the Fourth Proportional to 6,113.50, 8,432.79 and 4,874.46

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Solution

The fourth proportional to 6,113.50, 8,432.79 and 4,874.46 is: 6,723.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.50 : 8,432.79 = 4,874.46 : x
  2. Step 2: Convert to fraction form
    6,113.50/8,432.79 = 4,874.46/x
  3. Step 3: Cross multiply
    6,113.50x = 8,432.79 × 4,874.46
  4. Step 4: Simplify right side
    6,113.50x = 41,105,297.54
  5. Step 5: Solve for x
    x = 41,105,297.54/6,113.50
  6. Step 6: Final answer
    x = 6,723.69

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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.