Home / 8,142.21-11,236.08-4,556.95

Finding the Fourth Proportional to 8,142.21, 11,236.08 and 4,556.95

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Solution

The fourth proportional to 8,142.21, 11,236.08 and 4,556.95 is: 6,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.21 : 11,236.08 = 4,556.95 : x
  2. Step 2: Convert to fraction form
    8,142.21/11,236.08 = 4,556.95/x
  3. Step 3: Cross multiply
    8,142.21x = 11,236.08 × 4,556.95
  4. Step 4: Simplify right side
    8,142.21x = 51,202,254.76
  5. Step 5: Solve for x
    x = 51,202,254.76/8,142.21
  6. Step 6: Final answer
    x = 6,288.50

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1.5x scale

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.