Home / 8,300.89-11,455.11-4,523.99

Finding the Fourth Proportional to 8,300.89, 11,455.11 and 4,523.99

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Solution

The fourth proportional to 8,300.89, 11,455.11 and 4,523.99 is: 6,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.89 : 11,455.11 = 4,523.99 : x
  2. Step 2: Convert to fraction form
    8,300.89/11,455.11 = 4,523.99/x
  3. Step 3: Cross multiply
    8,300.89x = 11,455.11 × 4,523.99
  4. Step 4: Simplify right side
    8,300.89x = 51,822,803.09
  5. Step 5: Solve for x
    x = 51,822,803.09/8,300.89
  6. Step 6: Final answer
    x = 6,243.04

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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.