Home / 7,809.07-11,715.48-2,262.80

Finding the Fourth Proportional to 7,809.07, 11,715.48 and 2,262.80

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Solution

The fourth proportional to 7,809.07, 11,715.48 and 2,262.80 is: 3,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.07 : 11,715.48 = 2,262.80 : x
  2. Step 2: Convert to fraction form
    7,809.07/11,715.48 = 2,262.80/x
  3. Step 3: Cross multiply
    7,809.07x = 11,715.48 × 2,262.80
  4. Step 4: Simplify right side
    7,809.07x = 26,509,729.57
  5. Step 5: Solve for x
    x = 26,509,729.57/7,809.07
  6. Step 6: Final answer
    x = 3,394.74

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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.