Home / 5,191.44-7,779.18-3,523.40

Finding the Fourth Proportional to 5,191.44, 7,779.18 and 3,523.40

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Solution

The fourth proportional to 5,191.44, 7,779.18 and 3,523.40 is: 5,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.44 : 7,779.18 = 3,523.40 : x
  2. Step 2: Convert to fraction form
    5,191.44/7,779.18 = 3,523.40/x
  3. Step 3: Cross multiply
    5,191.44x = 7,779.18 × 3,523.40
  4. Step 4: Simplify right side
    5,191.44x = 27,409,123.92
  5. Step 5: Solve for x
    x = 27,409,123.92/5,191.44
  6. Step 6: Final answer
    x = 5,279.68

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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.