Home / 5,727.89-8,591.40-1,779.03

Finding the Fourth Proportional to 5,727.89, 8,591.40 and 1,779.03

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Solution

The fourth proportional to 5,727.89, 8,591.40 and 1,779.03 is: 2,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.89 : 8,591.40 = 1,779.03 : x
  2. Step 2: Convert to fraction form
    5,727.89/8,591.40 = 1,779.03/x
  3. Step 3: Cross multiply
    5,727.89x = 8,591.40 × 1,779.03
  4. Step 4: Simplify right side
    5,727.89x = 15,284,358.34
  5. Step 5: Solve for x
    x = 15,284,358.34/5,727.89
  6. Step 6: Final answer
    x = 2,668.41

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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.