Home / 5,635.14-7,779.21-3,749.85

Finding the Fourth Proportional to 5,635.14, 7,779.21 and 3,749.85

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Solution

The fourth proportional to 5,635.14, 7,779.21 and 3,749.85 is: 5,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.14 : 7,779.21 = 3,749.85 : x
  2. Step 2: Convert to fraction form
    5,635.14/7,779.21 = 3,749.85/x
  3. Step 3: Cross multiply
    5,635.14x = 7,779.21 × 3,749.85
  4. Step 4: Simplify right side
    5,635.14x = 29,170,870.62
  5. Step 5: Solve for x
    x = 29,170,870.62/5,635.14
  6. Step 6: Final answer
    x = 5,176.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.