Home / 6,310.81-8,708.92-3,659.76

Finding the Fourth Proportional to 6,310.81, 8,708.92 and 3,659.76

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Solution

The fourth proportional to 6,310.81, 8,708.92 and 3,659.76 is: 5,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.81 : 8,708.92 = 3,659.76 : x
  2. Step 2: Convert to fraction form
    6,310.81/8,708.92 = 3,659.76/x
  3. Step 3: Cross multiply
    6,310.81x = 8,708.92 × 3,659.76
  4. Step 4: Simplify right side
    6,310.81x = 31,872,557.06
  5. Step 5: Solve for x
    x = 31,872,557.06/6,310.81
  6. Step 6: Final answer
    x = 5,050.47

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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.