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Finding the Fourth Proportional to 5,916.81, 8,859.56 and 3,573.68

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Solution

The fourth proportional to 5,916.81, 8,859.56 and 3,573.68 is: 5,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.81 : 8,859.56 = 3,573.68 : x
  2. Step 2: Convert to fraction form
    5,916.81/8,859.56 = 3,573.68/x
  3. Step 3: Cross multiply
    5,916.81x = 8,859.56 × 3,573.68
  4. Step 4: Simplify right side
    5,916.81x = 31,661,170.21
  5. Step 5: Solve for x
    x = 31,661,170.21/5,916.81
  6. Step 6: Final answer
    x = 5,351.05

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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.