Home / 7,493.21-11,236.89-2,810.66

Finding the Fourth Proportional to 7,493.21, 11,236.89 and 2,810.66

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Solution

The fourth proportional to 7,493.21, 11,236.89 and 2,810.66 is: 4,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.21 : 11,236.89 = 2,810.66 : x
  2. Step 2: Convert to fraction form
    7,493.21/11,236.89 = 2,810.66/x
  3. Step 3: Cross multiply
    7,493.21x = 11,236.89 × 2,810.66
  4. Step 4: Simplify right side
    7,493.21x = 31,583,077.25
  5. Step 5: Solve for x
    x = 31,583,077.25/7,493.21
  6. Step 6: Final answer
    x = 4,214.89

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1.5x scale

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.