Home / 7,587.43-11,379.39-2,905.77

Finding the Fourth Proportional to 7,587.43, 11,379.39 and 2,905.77

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Solution

The fourth proportional to 7,587.43, 11,379.39 and 2,905.77 is: 4,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.43 : 11,379.39 = 2,905.77 : x
  2. Step 2: Convert to fraction form
    7,587.43/11,379.39 = 2,905.77/x
  3. Step 3: Cross multiply
    7,587.43x = 11,379.39 × 2,905.77
  4. Step 4: Simplify right side
    7,587.43x = 33,065,890.08
  5. Step 5: Solve for x
    x = 33,065,890.08/7,587.43
  6. Step 6: Final answer
    x = 4,357.98

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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.