Home / 4,005-5,526.88-2,236.50

Finding the Fourth Proportional to 4,005, 5,526.88 and 2,236.50

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Solution

The fourth proportional to 4,005, 5,526.88 and 2,236.50 is: 3,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005 : 5,526.88 = 2,236.50 : x
  2. Step 2: Convert to fraction form
    4,005/5,526.88 = 2,236.50/x
  3. Step 3: Cross multiply
    4,005x = 5,526.88 × 2,236.50
  4. Step 4: Simplify right side
    4,005x = 12,360,867.12
  5. Step 5: Solve for x
    x = 12,360,867.12/4,005
  6. Step 6: Final answer
    x = 3,086.36

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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.