Home / 5,171.29-7,136.08-2,902.42

Finding the Fourth Proportional to 5,171.29, 7,136.08 and 2,902.42

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Solution

The fourth proportional to 5,171.29, 7,136.08 and 2,902.42 is: 4,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.29 : 7,136.08 = 2,902.42 : x
  2. Step 2: Convert to fraction form
    5,171.29/7,136.08 = 2,902.42/x
  3. Step 3: Cross multiply
    5,171.29x = 7,136.08 × 2,902.42
  4. Step 4: Simplify right side
    5,171.29x = 20,711,897.02
  5. Step 5: Solve for x
    x = 20,711,897.02/5,171.29
  6. Step 6: Final answer
    x = 4,005.17

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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.