Home / 5,145.34-7,722.33-4,125.82

Finding the Fourth Proportional to 5,145.34, 7,722.33 and 4,125.82

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Solution

The fourth proportional to 5,145.34, 7,722.33 and 4,125.82 is: 6,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.34 : 7,722.33 = 4,125.82 : x
  2. Step 2: Convert to fraction form
    5,145.34/7,722.33 = 4,125.82/x
  3. Step 3: Cross multiply
    5,145.34x = 7,722.33 × 4,125.82
  4. Step 4: Simplify right side
    5,145.34x = 31,860,943.56
  5. Step 5: Solve for x
    x = 31,860,943.56/5,145.34
  6. Step 6: Final answer
    x = 6,192.19

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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.