Home / 7,814.24-11,717.58-2,886.20

Finding the Fourth Proportional to 7,814.24, 11,717.58 and 2,886.20

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Solution

The fourth proportional to 7,814.24, 11,717.58 and 2,886.20 is: 4,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.24 : 11,717.58 = 2,886.20 : x
  2. Step 2: Convert to fraction form
    7,814.24/11,717.58 = 2,886.20/x
  3. Step 3: Cross multiply
    7,814.24x = 11,717.58 × 2,886.20
  4. Step 4: Simplify right side
    7,814.24x = 33,819,279.40
  5. Step 5: Solve for x
    x = 33,819,279.40/7,814.24
  6. Step 6: Final answer
    x = 4,327.90

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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.