Home / 6,470.36-8,928.70-3,817.88

Finding the Fourth Proportional to 6,470.36, 8,928.70 and 3,817.88

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Solution

The fourth proportional to 6,470.36, 8,928.70 and 3,817.88 is: 5,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.36 : 8,928.70 = 3,817.88 : x
  2. Step 2: Convert to fraction form
    6,470.36/8,928.70 = 3,817.88/x
  3. Step 3: Cross multiply
    6,470.36x = 8,928.70 × 3,817.88
  4. Step 4: Simplify right side
    6,470.36x = 34,088,705.16
  5. Step 5: Solve for x
    x = 34,088,705.16/6,470.36
  6. Step 6: Final answer
    x = 5,268.44

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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.