Home / 5,122.13-7,685.01-2,526.89

Finding the Fourth Proportional to 5,122.13, 7,685.01 and 2,526.89

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Solution

The fourth proportional to 5,122.13, 7,685.01 and 2,526.89 is: 3,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.13 : 7,685.01 = 2,526.89 : x
  2. Step 2: Convert to fraction form
    5,122.13/7,685.01 = 2,526.89/x
  3. Step 3: Cross multiply
    5,122.13x = 7,685.01 × 2,526.89
  4. Step 4: Simplify right side
    5,122.13x = 19,419,136.49
  5. Step 5: Solve for x
    x = 19,419,136.49/5,122.13
  6. Step 6: Final answer
    x = 3,791.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.