Home / 5,906.71-8,857.28-2,155.89

Finding the Fourth Proportional to 5,906.71, 8,857.28 and 2,155.89

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Solution

The fourth proportional to 5,906.71, 8,857.28 and 2,155.89 is: 3,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.71 : 8,857.28 = 2,155.89 : x
  2. Step 2: Convert to fraction form
    5,906.71/8,857.28 = 2,155.89/x
  3. Step 3: Cross multiply
    5,906.71x = 8,857.28 × 2,155.89
  4. Step 4: Simplify right side
    5,906.71x = 19,095,313.10
  5. Step 5: Solve for x
    x = 19,095,313.10/5,906.71
  6. Step 6: Final answer
    x = 3,232.82

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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.