Home / 7,052.63-9,732.83-3,909.02

Finding the Fourth Proportional to 7,052.63, 9,732.83 and 3,909.02

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Solution

The fourth proportional to 7,052.63, 9,732.83 and 3,909.02 is: 5,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.63 : 9,732.83 = 3,909.02 : x
  2. Step 2: Convert to fraction form
    7,052.63/9,732.83 = 3,909.02/x
  3. Step 3: Cross multiply
    7,052.63x = 9,732.83 × 3,909.02
  4. Step 4: Simplify right side
    7,052.63x = 38,045,758.92
  5. Step 5: Solve for x
    x = 38,045,758.92/7,052.63
  6. Step 6: Final answer
    x = 5,394.55

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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.