Home / 5,679.65-8,519.55-1,784.06

Finding the Fourth Proportional to 5,679.65, 8,519.55 and 1,784.06

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Solution

The fourth proportional to 5,679.65, 8,519.55 and 1,784.06 is: 2,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.65 : 8,519.55 = 1,784.06 : x
  2. Step 2: Convert to fraction form
    5,679.65/8,519.55 = 1,784.06/x
  3. Step 3: Cross multiply
    5,679.65x = 8,519.55 × 1,784.06
  4. Step 4: Simplify right side
    5,679.65x = 15,199,367.07
  5. Step 5: Solve for x
    x = 15,199,367.07/5,679.65
  6. Step 6: Final answer
    x = 2,676.11

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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.