Home / 7,827.78-11,748.50-4,536.34

Finding the Fourth Proportional to 7,827.78, 11,748.50 and 4,536.34

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Solution

The fourth proportional to 7,827.78, 11,748.50 and 4,536.34 is: 6,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.78 : 11,748.50 = 4,536.34 : x
  2. Step 2: Convert to fraction form
    7,827.78/11,748.50 = 4,536.34/x
  3. Step 3: Cross multiply
    7,827.78x = 11,748.50 × 4,536.34
  4. Step 4: Simplify right side
    7,827.78x = 53,295,190.49
  5. Step 5: Solve for x
    x = 53,295,190.49/7,827.78
  6. Step 6: Final answer
    x = 6,808.47

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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.