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Finding the Fourth Proportional to 6,333.48, 8,740.10 and 3,500.80

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Solution

The fourth proportional to 6,333.48, 8,740.10 and 3,500.80 is: 4,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,333.48 : 8,740.10 = 3,500.80 : x
  2. Step 2: Convert to fraction form
    6,333.48/8,740.10 = 3,500.80/x
  3. Step 3: Cross multiply
    6,333.48x = 8,740.10 × 3,500.80
  4. Step 4: Simplify right side
    6,333.48x = 30,597,342.08
  5. Step 5: Solve for x
    x = 30,597,342.08/6,333.48
  6. Step 6: Final answer
    x = 4,831.05

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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.