Home / 3,715.47-5,573.79-1,523.61

Finding the Fourth Proportional to 3,715.47, 5,573.79 and 1,523.61

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Solution

The fourth proportional to 3,715.47, 5,573.79 and 1,523.61 is: 2,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.47 : 5,573.79 = 1,523.61 : x
  2. Step 2: Convert to fraction form
    3,715.47/5,573.79 = 1,523.61/x
  3. Step 3: Cross multiply
    3,715.47x = 5,573.79 × 1,523.61
  4. Step 4: Simplify right side
    3,715.47x = 8,492,282.18
  5. Step 5: Solve for x
    x = 8,492,282.18/3,715.47
  6. Step 6: Final answer
    x = 2,285.65

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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.