Home / 7,899.22-11,837.52-5,802.76

Finding the Fourth Proportional to 7,899.22, 11,837.52 and 5,802.76

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Solution

The fourth proportional to 7,899.22, 11,837.52 and 5,802.76 is: 8,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.22 : 11,837.52 = 5,802.76 : x
  2. Step 2: Convert to fraction form
    7,899.22/11,837.52 = 5,802.76/x
  3. Step 3: Cross multiply
    7,899.22x = 11,837.52 × 5,802.76
  4. Step 4: Simplify right side
    7,899.22x = 68,690,287.56
  5. Step 5: Solve for x
    x = 68,690,287.56/7,899.22
  6. Step 6: Final answer
    x = 8,695.83

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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.