Home / 5,519.07-8,278.67-1,623.55

Finding the Fourth Proportional to 5,519.07, 8,278.67 and 1,623.55

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Solution

The fourth proportional to 5,519.07, 8,278.67 and 1,623.55 is: 2,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.07 : 8,278.67 = 1,623.55 : x
  2. Step 2: Convert to fraction form
    5,519.07/8,278.67 = 1,623.55/x
  3. Step 3: Cross multiply
    5,519.07x = 8,278.67 × 1,623.55
  4. Step 4: Simplify right side
    5,519.07x = 13,440,834.68
  5. Step 5: Solve for x
    x = 13,440,834.68/5,519.07
  6. Step 6: Final answer
    x = 2,435.34

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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.