Home / 5,541.36-7,640.16-3,548.64

Finding the Fourth Proportional to 5,541.36, 7,640.16 and 3,548.64

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Solution

The fourth proportional to 5,541.36, 7,640.16 and 3,548.64 is: 4,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.36 : 7,640.16 = 3,548.64 : x
  2. Step 2: Convert to fraction form
    5,541.36/7,640.16 = 3,548.64/x
  3. Step 3: Cross multiply
    5,541.36x = 7,640.16 × 3,548.64
  4. Step 4: Simplify right side
    5,541.36x = 27,112,177.38
  5. Step 5: Solve for x
    x = 27,112,177.38/5,541.36
  6. Step 6: Final answer
    x = 4,892.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.