Home / 5,674.35-8,511.53-1,779.06

Finding the Fourth Proportional to 5,674.35, 8,511.53 and 1,779.06

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Solution

The fourth proportional to 5,674.35, 8,511.53 and 1,779.06 is: 2,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.35 : 8,511.53 = 1,779.06 : x
  2. Step 2: Convert to fraction form
    5,674.35/8,511.53 = 1,779.06/x
  3. Step 3: Cross multiply
    5,674.35x = 8,511.53 × 1,779.06
  4. Step 4: Simplify right side
    5,674.35x = 15,142,522.56
  5. Step 5: Solve for x
    x = 15,142,522.56/5,674.35
  6. Step 6: Final answer
    x = 2,668.59

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Similar ratio
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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.