Home / 7,493.42-11,240.39-2,812.95

Finding the Fourth Proportional to 7,493.42, 11,240.39 and 2,812.95

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Solution

The fourth proportional to 7,493.42, 11,240.39 and 2,812.95 is: 4,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.42 : 11,240.39 = 2,812.95 : x
  2. Step 2: Convert to fraction form
    7,493.42/11,240.39 = 2,812.95/x
  3. Step 3: Cross multiply
    7,493.42x = 11,240.39 × 2,812.95
  4. Step 4: Simplify right side
    7,493.42x = 31,618,655.05
  5. Step 5: Solve for x
    x = 31,618,655.05/7,493.42
  6. Step 6: Final answer
    x = 4,219.52

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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.