Home / 6,112.72-9,155.64-4,569.04

Finding the Fourth Proportional to 6,112.72, 9,155.64 and 4,569.04

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Solution

The fourth proportional to 6,112.72, 9,155.64 and 4,569.04 is: 6,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.72 : 9,155.64 = 4,569.04 : x
  2. Step 2: Convert to fraction form
    6,112.72/9,155.64 = 4,569.04/x
  3. Step 3: Cross multiply
    6,112.72x = 9,155.64 × 4,569.04
  4. Step 4: Simplify right side
    6,112.72x = 41,832,485.39
  5. Step 5: Solve for x
    x = 41,832,485.39/6,112.72
  6. Step 6: Final answer
    x = 6,843.51

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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.