Home / 7,499.79-11,241.99-2,818.94

Finding the Fourth Proportional to 7,499.79, 11,241.99 and 2,818.94

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Solution

The fourth proportional to 7,499.79, 11,241.99 and 2,818.94 is: 4,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.79 : 11,241.99 = 2,818.94 : x
  2. Step 2: Convert to fraction form
    7,499.79/11,241.99 = 2,818.94/x
  3. Step 3: Cross multiply
    7,499.79x = 11,241.99 × 2,818.94
  4. Step 4: Simplify right side
    7,499.79x = 31,690,439.08
  5. Step 5: Solve for x
    x = 31,690,439.08/7,499.79
  6. Step 6: Final answer
    x = 4,225.51

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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.