Home / 6,527.32-9,789.54-2,143.60

Finding the Fourth Proportional to 6,527.32, 9,789.54 and 2,143.60

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Solution

The fourth proportional to 6,527.32, 9,789.54 and 2,143.60 is: 3,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.32 : 9,789.54 = 2,143.60 : x
  2. Step 2: Convert to fraction form
    6,527.32/9,789.54 = 2,143.60/x
  3. Step 3: Cross multiply
    6,527.32x = 9,789.54 × 2,143.60
  4. Step 4: Simplify right side
    6,527.32x = 20,984,857.94
  5. Step 5: Solve for x
    x = 20,984,857.94/6,527.32
  6. Step 6: Final answer
    x = 3,214.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.