Home / 6,310.40-8,708.54-3,477.96

Finding the Fourth Proportional to 6,310.40, 8,708.54 and 3,477.96

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Solution

The fourth proportional to 6,310.40, 8,708.54 and 3,477.96 is: 4,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.40 : 8,708.54 = 3,477.96 : x
  2. Step 2: Convert to fraction form
    6,310.40/8,708.54 = 3,477.96/x
  3. Step 3: Cross multiply
    6,310.40x = 8,708.54 × 3,477.96
  4. Step 4: Simplify right side
    6,310.40x = 30,287,936.39
  5. Step 5: Solve for x
    x = 30,287,936.39/6,310.40
  6. Step 6: Final answer
    x = 4,799.69

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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.