Home / 5,263.60-7,263.11-2,905.72

Finding the Fourth Proportional to 5,263.60, 7,263.11 and 2,905.72

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Solution

The fourth proportional to 5,263.60, 7,263.11 and 2,905.72 is: 4,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.60 : 7,263.11 = 2,905.72 : x
  2. Step 2: Convert to fraction form
    5,263.60/7,263.11 = 2,905.72/x
  3. Step 3: Cross multiply
    5,263.60x = 7,263.11 × 2,905.72
  4. Step 4: Simplify right side
    5,263.60x = 21,104,556.72
  5. Step 5: Solve for x
    x = 21,104,556.72/5,263.60
  6. Step 6: Final answer
    x = 4,009.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.