Home / 7,490.34-11,241.11-2,814.95

Finding the Fourth Proportional to 7,490.34, 11,241.11 and 2,814.95

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Solution

The fourth proportional to 7,490.34, 11,241.11 and 2,814.95 is: 4,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.34 : 11,241.11 = 2,814.95 : x
  2. Step 2: Convert to fraction form
    7,490.34/11,241.11 = 2,814.95/x
  3. Step 3: Cross multiply
    7,490.34x = 11,241.11 × 2,814.95
  4. Step 4: Simplify right side
    7,490.34x = 31,643,197.73
  5. Step 5: Solve for x
    x = 31,643,197.73/7,490.34
  6. Step 6: Final answer
    x = 4,224.53

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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.