Home / 8,779.66-13,174.35-3,585.13

Finding the Fourth Proportional to 8,779.66, 13,174.35 and 3,585.13

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Solution

The fourth proportional to 8,779.66, 13,174.35 and 3,585.13 is: 5,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.66 : 13,174.35 = 3,585.13 : x
  2. Step 2: Convert to fraction form
    8,779.66/13,174.35 = 3,585.13/x
  3. Step 3: Cross multiply
    8,779.66x = 13,174.35 × 3,585.13
  4. Step 4: Simplify right side
    8,779.66x = 47,231,673.62
  5. Step 5: Solve for x
    x = 47,231,673.62/8,779.66
  6. Step 6: Final answer
    x = 5,379.67

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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.