Home / 7,733.40-11,600.49-2,187.14

Finding the Fourth Proportional to 7,733.40, 11,600.49 and 2,187.14

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Solution

The fourth proportional to 7,733.40, 11,600.49 and 2,187.14 is: 3,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,733.40 : 11,600.49 = 2,187.14 : x
  2. Step 2: Convert to fraction form
    7,733.40/11,600.49 = 2,187.14/x
  3. Step 3: Cross multiply
    7,733.40x = 11,600.49 × 2,187.14
  4. Step 4: Simplify right side
    7,733.40x = 25,371,895.70
  5. Step 5: Solve for x
    x = 25,371,895.70/7,733.40
  6. Step 6: Final answer
    x = 3,280.82

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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.