Home / 7,889.16-11,830.48-2,956.26

Finding the Fourth Proportional to 7,889.16, 11,830.48 and 2,956.26

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Solution

The fourth proportional to 7,889.16, 11,830.48 and 2,956.26 is: 4,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.16 : 11,830.48 = 2,956.26 : x
  2. Step 2: Convert to fraction form
    7,889.16/11,830.48 = 2,956.26/x
  3. Step 3: Cross multiply
    7,889.16x = 11,830.48 × 2,956.26
  4. Step 4: Simplify right side
    7,889.16x = 34,973,974.80
  5. Step 5: Solve for x
    x = 34,973,974.80/7,889.16
  6. Step 6: Final answer
    x = 4,433.17

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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.