Home / 5,141.36-7,095.42-3,880.16

Finding the Fourth Proportional to 5,141.36, 7,095.42 and 3,880.16

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Solution

The fourth proportional to 5,141.36, 7,095.42 and 3,880.16 is: 5,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.36 : 7,095.42 = 3,880.16 : x
  2. Step 2: Convert to fraction form
    5,141.36/7,095.42 = 3,880.16/x
  3. Step 3: Cross multiply
    5,141.36x = 7,095.42 × 3,880.16
  4. Step 4: Simplify right side
    5,141.36x = 27,531,364.87
  5. Step 5: Solve for x
    x = 27,531,364.87/5,141.36
  6. Step 6: Final answer
    x = 5,354.88

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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.