Home / 8,289.99-11,440.08-4,513.07

Finding the Fourth Proportional to 8,289.99, 11,440.08 and 4,513.07

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Solution

The fourth proportional to 8,289.99, 11,440.08 and 4,513.07 is: 6,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.99 : 11,440.08 = 4,513.07 : x
  2. Step 2: Convert to fraction form
    8,289.99/11,440.08 = 4,513.07/x
  3. Step 3: Cross multiply
    8,289.99x = 11,440.08 × 4,513.07
  4. Step 4: Simplify right side
    8,289.99x = 51,629,824.65
  5. Step 5: Solve for x
    x = 51,629,824.65/8,289.99
  6. Step 6: Final answer
    x = 6,227.97

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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.