Home / 7,859.83-11,792.90-2,862.55

Finding the Fourth Proportional to 7,859.83, 11,792.90 and 2,862.55

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Solution

The fourth proportional to 7,859.83, 11,792.90 and 2,862.55 is: 4,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.83 : 11,792.90 = 2,862.55 : x
  2. Step 2: Convert to fraction form
    7,859.83/11,792.90 = 2,862.55/x
  3. Step 3: Cross multiply
    7,859.83x = 11,792.90 × 2,862.55
  4. Step 4: Simplify right side
    7,859.83x = 33,757,777.27
  5. Step 5: Solve for x
    x = 33,757,777.27/7,859.83
  6. Step 6: Final answer
    x = 4,294.98

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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.