Home / 7,864.34-11,788.64-4,355.96

Finding the Fourth Proportional to 7,864.34, 11,788.64 and 4,355.96

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Solution

The fourth proportional to 7,864.34, 11,788.64 and 4,355.96 is: 6,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.34 : 11,788.64 = 4,355.96 : x
  2. Step 2: Convert to fraction form
    7,864.34/11,788.64 = 4,355.96/x
  3. Step 3: Cross multiply
    7,864.34x = 11,788.64 × 4,355.96
  4. Step 4: Simplify right side
    7,864.34x = 51,350,844.29
  5. Step 5: Solve for x
    x = 51,350,844.29/7,864.34
  6. Step 6: Final answer
    x = 6,529.58

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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.