Home / 5,174.93-7,141.45-2,817.07

Finding the Fourth Proportional to 5,174.93, 7,141.45 and 2,817.07

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Solution

The fourth proportional to 5,174.93, 7,141.45 and 2,817.07 is: 3,887.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.93 : 7,141.45 = 2,817.07 : x
  2. Step 2: Convert to fraction form
    5,174.93/7,141.45 = 2,817.07/x
  3. Step 3: Cross multiply
    5,174.93x = 7,141.45 × 2,817.07
  4. Step 4: Simplify right side
    5,174.93x = 20,117,928.84
  5. Step 5: Solve for x
    x = 20,117,928.84/5,174.93
  6. Step 6: Final answer
    x = 3,887.58

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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.