Home / 7,993.78-11,021.61-6,572.50

Finding the Fourth Proportional to 7,993.78, 11,021.61 and 6,572.50

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Solution

The fourth proportional to 7,993.78, 11,021.61 and 6,572.50 is: 9,061.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.78 : 11,021.61 = 6,572.50 : x
  2. Step 2: Convert to fraction form
    7,993.78/11,021.61 = 6,572.50/x
  3. Step 3: Cross multiply
    7,993.78x = 11,021.61 × 6,572.50
  4. Step 4: Simplify right side
    7,993.78x = 72,439,531.73
  5. Step 5: Solve for x
    x = 72,439,531.73/7,993.78
  6. Step 6: Final answer
    x = 9,061.99

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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.