Home / 5,173.71-7,141.37-2,937.09

Finding the Fourth Proportional to 5,173.71, 7,141.37 and 2,937.09

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Solution

The fourth proportional to 5,173.71, 7,141.37 and 2,937.09 is: 4,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.71 : 7,141.37 = 2,937.09 : x
  2. Step 2: Convert to fraction form
    5,173.71/7,141.37 = 2,937.09/x
  3. Step 3: Cross multiply
    5,173.71x = 7,141.37 × 2,937.09
  4. Step 4: Simplify right side
    5,173.71x = 20,974,858.51
  5. Step 5: Solve for x
    x = 20,974,858.51/5,173.71
  6. Step 6: Final answer
    x = 4,054.13

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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.