Home / 7,052.94-9,732.96-3,909.06

Finding the Fourth Proportional to 7,052.94, 9,732.96 and 3,909.06

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Solution

The fourth proportional to 7,052.94, 9,732.96 and 3,909.06 is: 5,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.94 : 9,732.96 = 3,909.06 : x
  2. Step 2: Convert to fraction form
    7,052.94/9,732.96 = 3,909.06/x
  3. Step 3: Cross multiply
    7,052.94x = 9,732.96 × 3,909.06
  4. Step 4: Simplify right side
    7,052.94x = 38,046,724.62
  5. Step 5: Solve for x
    x = 38,046,724.62/7,052.94
  6. Step 6: Final answer
    x = 5,394.45

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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.