Home / 6,376.19-8,798.86-3,686.97

Finding the Fourth Proportional to 6,376.19, 8,798.86 and 3,686.97

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Solution

The fourth proportional to 6,376.19, 8,798.86 and 3,686.97 is: 5,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.19 : 8,798.86 = 3,686.97 : x
  2. Step 2: Convert to fraction form
    6,376.19/8,798.86 = 3,686.97/x
  3. Step 3: Cross multiply
    6,376.19x = 8,798.86 × 3,686.97
  4. Step 4: Simplify right side
    6,376.19x = 32,441,168.87
  5. Step 5: Solve for x
    x = 32,441,168.87/6,376.19
  6. Step 6: Final answer
    x = 5,087.86

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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.