Home / 5,143.47-7,717.66-3,564.63

Finding the Fourth Proportional to 5,143.47, 7,717.66 and 3,564.63

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Solution

The fourth proportional to 5,143.47, 7,717.66 and 3,564.63 is: 5,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.47 : 7,717.66 = 3,564.63 : x
  2. Step 2: Convert to fraction form
    5,143.47/7,717.66 = 3,564.63/x
  3. Step 3: Cross multiply
    5,143.47x = 7,717.66 × 3,564.63
  4. Step 4: Simplify right side
    5,143.47x = 27,510,635.21
  5. Step 5: Solve for x
    x = 27,510,635.21/5,143.47
  6. Step 6: Final answer
    x = 5,348.65

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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.