Home / 7,853.29-11,780.96-2,588.84

Finding the Fourth Proportional to 7,853.29, 11,780.96 and 2,588.84

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Solution

The fourth proportional to 7,853.29, 11,780.96 and 2,588.84 is: 3,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.29 : 11,780.96 = 2,588.84 : x
  2. Step 2: Convert to fraction form
    7,853.29/11,780.96 = 2,588.84/x
  3. Step 3: Cross multiply
    7,853.29x = 11,780.96 × 2,588.84
  4. Step 4: Simplify right side
    7,853.29x = 30,499,036.99
  5. Step 5: Solve for x
    x = 30,499,036.99/7,853.29
  6. Step 6: Final answer
    x = 3,883.60

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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.