Home / 7,318.73-10,965.12-4,998.89

Finding the Fourth Proportional to 7,318.73, 10,965.12 and 4,998.89

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Solution

The fourth proportional to 7,318.73, 10,965.12 and 4,998.89 is: 7,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.73 : 10,965.12 = 4,998.89 : x
  2. Step 2: Convert to fraction form
    7,318.73/10,965.12 = 4,998.89/x
  3. Step 3: Cross multiply
    7,318.73x = 10,965.12 × 4,998.89
  4. Step 4: Simplify right side
    7,318.73x = 54,813,373.89
  5. Step 5: Solve for x
    x = 54,813,373.89/7,318.73
  6. Step 6: Final answer
    x = 7,489.47

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1.5x scale

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.