Home / 8,779.46-13,174.40-3,236.70

Finding the Fourth Proportional to 8,779.46, 13,174.40 and 3,236.70

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Solution

The fourth proportional to 8,779.46, 13,174.40 and 3,236.70 is: 4,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.46 : 13,174.40 = 3,236.70 : x
  2. Step 2: Convert to fraction form
    8,779.46/13,174.40 = 3,236.70/x
  3. Step 3: Cross multiply
    8,779.46x = 13,174.40 × 3,236.70
  4. Step 4: Simplify right side
    8,779.46x = 42,641,580.48
  5. Step 5: Solve for x
    x = 42,641,580.48/8,779.46
  6. Step 6: Final answer
    x = 4,856.97

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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.