Home / 8,711.24-13,069.06-3,779.68

Finding the Fourth Proportional to 8,711.24, 13,069.06 and 3,779.68

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Solution

The fourth proportional to 8,711.24, 13,069.06 and 3,779.68 is: 5,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.24 : 13,069.06 = 3,779.68 : x
  2. Step 2: Convert to fraction form
    8,711.24/13,069.06 = 3,779.68/x
  3. Step 3: Cross multiply
    8,711.24x = 13,069.06 × 3,779.68
  4. Step 4: Simplify right side
    8,711.24x = 49,396,864.70
  5. Step 5: Solve for x
    x = 49,396,864.70/8,711.24
  6. Step 6: Final answer
    x = 5,670.47

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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.