Home / 7,784.48-11,676.72-3,341.18

Finding the Fourth Proportional to 7,784.48, 11,676.72 and 3,341.18

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Solution

The fourth proportional to 7,784.48, 11,676.72 and 3,341.18 is: 5,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.48 : 11,676.72 = 3,341.18 : x
  2. Step 2: Convert to fraction form
    7,784.48/11,676.72 = 3,341.18/x
  3. Step 3: Cross multiply
    7,784.48x = 11,676.72 × 3,341.18
  4. Step 4: Simplify right side
    7,784.48x = 39,014,023.33
  5. Step 5: Solve for x
    x = 39,014,023.33/7,784.48
  6. Step 6: Final answer
    x = 5,011.77

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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.