Home / 5,122.53-7,689.93-3,474.08

Finding the Fourth Proportional to 5,122.53, 7,689.93 and 3,474.08

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Solution

The fourth proportional to 5,122.53, 7,689.93 and 3,474.08 is: 5,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.53 : 7,689.93 = 3,474.08 : x
  2. Step 2: Convert to fraction form
    5,122.53/7,689.93 = 3,474.08/x
  3. Step 3: Cross multiply
    5,122.53x = 7,689.93 × 3,474.08
  4. Step 4: Simplify right side
    5,122.53x = 26,715,393.56
  5. Step 5: Solve for x
    x = 26,715,393.56/5,122.53
  6. Step 6: Final answer
    x = 5,215.27

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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.